小学数学口算题

小学数学口算题 口算(一) 25×2, 45×7, 248，89, 75,16, 25×4, 45×9, 85,18, 155×5, 25×6, 35×2, 11，22, 9，18, 25×8, 35×4, 125,26, 115,24, 25×3, 35×6, 456，45, 564,12, 25×5, 35×8, 90,19, 45×10, 25×7, 35×3, 12，24, 45,23, 25×9, 35×5, 130,27, 456,12, 15×2, 35×7, 879，54, 56,45, 15×4, 35×9, 95,20, 56×12, 15×6, 125×2, 60,13, 78,23, 15×8, 125×4, 146,23, 25×6, 15×3, 125×6, 457，456, 125×4, 15×5, 125×8, 100,21, 25×7, 15×7, 125×3, 65,14, 26，9= 15×9, 125×5, 546,457, 57,38, 45×2, 125×7, 7，14, 1500,700, 45×4, 125×9, 105,22, 42×2, 45×6, 123，25, 70,15, 660?3, 45×8, 80,17, 896,546, 960?3, 45×3, 10，20, 8，16, 180?9, 45×5, 120,25, 110,23, 65，15, 50?5, 400×5= 12，88= 6×4?2= 3×800, 45?3= 630?9= 120×4= 420?7, 51，31= 350?7= 80×5= 3×220, 13×3= 700×2= 40×5= 420,20, 60?4= 18×4= 15×5，5= 93?3, 320×3= 120,50= 600,50= 880?4, 60×15= 300,64= 56×2= 1200,200, 72?6?2= 64×10= 200,36= 0?51, 6，6×7= 400×3= 15+5×3= 0?76, 400×5= 8，2×20= 380+50= 0×85, 50,31= 22，40= 789，0= 425×0= 7×8,7= 70?7, 300?5= 25×3= 528,0= 56?8= 15×4，8= 268+125= 450，80= 380,190= 680×0= 280+40= 57，140= 400×6= 40×25= 66,22= 800×2= 50,23= 6×6+6= 46×20= 3000,400= 35×0= 43,24= 85,42= 40×6= 420?7= 11×9= 90,31= 6×80，20= 300×6= 120×3= 60×9= 420-330= 7，3×4= 360+80= 55，41= 5×28= 90,26= 300×7= 30×4= 60×5= 8×6，7= 85+ 47= 81，12= 17×3= 52+23= 310×3= 200×5= 45，32= 460，400= 4×6，2= 320×2= 24?8= 6×8= 5×9，6= 660?6= 40?5= 6×7= 34×2= 700×2= 500，300= 45?5= 15×5= 80×3= 450，500= 200，800= 3×8，9= 24,6= 9×2，4= 70，550= 360,80= 50，800= 8×3= 5×200= 800×6= 9×6= 3000,1500= ( )×5=35 500×4= 540?9= 72?8= 760，60= 7×( )=63 14×5= 28?7= 35?7= ( )×9=63 350,80= 5×9= 27，53= 4×400= 360,30= 240,120= 570，50= 900×3= 730,700= 5000,500= 800×4= 23×3= 180?3= 18?3= 3600,600= 2×9+3= 200×8= 3400,300= 30×2 = 3×4，5= 530,70= 120，400= 52× 7= 2×7，8= 850×2= 21?7= 100 × 8 = 2×8，6= 263,80= 700，800= 900× 5 = 2×9，5= 850?2= 9×4= 40 × 6 = 90×9= 98，26×0= 48?6= 10 × 9 = 8×7= 6×3= 1200，800= 3 × 8 = ( )×9=81 49?7= 720，80= 18 + 53 = 6×( )=42 256,56= 18?6= 8×7= 3×7+4= 33×3= 48?2= 500?5= 83,20= ( )×5=20 400?2= 84?4= 43,30= 7×( )=56 800?4= 900?9= 9?1= 5×( )=30 480?2= 400?5= 280+450= 12×3= 4000?2= 27?9= 7?7= 43×3= 8000?4= 53+8= 3600+5800= 600×4= 4800?2= 84+7= 8×9+21= 50×9= 200?2= 80,44= 4600+4700= 70×7= 30?3= 1800,900= 730,190= 8×800= 6000?2= 4900,1800= 3700,370= 5×500= 36?3= 420+80= 8500,5500= 19×4= 800?4= 430+1000= 3200+5100= ( )×3=24 300?3= 500,60= 96,42= 2×( )=7 48?2= 89,8= 1200,400= ( )×6=24 99?9= 64,8= 830,300= 4×7+9= 26?2= 34+9= 800+900= 3×6，7= 600?3= 14?7= 58,36= 3×9，4= 38?1= 5+58= 7000+3000= 6×6，7= 93?3= 64?8= 5×7= 9×2，8= 77?7= 6×3= 72?9= 4×7+5= 400?2= 9×9= 36?6= 40?2= 800?4= 72?8= 81?9= 80?4= 5000?5= 78+15= 42+13= 口算(二) 24+8= 6×5+37= 510+200= 24×0= 27,32= 12?4+18= 15,45?9= 71,7+30= 42+13= 16?4×8= 11,40?8= 6，2×8= 42,6= 8?4+48= 7+1×8= 35,9= 7+44= 25?5+36= 130+80= 70,5×9= 42?7= 6×8—42= 46,8= 8×9+21= 64,8= 2×8?4= 8×5,7= 3×6= 21?3= 8×9?9= 9×3,8= 18?3= 4×8= 36?6?3= 30?6= 18?6= 54?9= 9?9×6= 36?4= 15?3= 49?7= 42?7×6= 4×5+44= 6?3= 42?7= 96,80+7= 48?8+7= 25?5= 35?7= 64,40,8= 1800+200= 20?5= 19+41= 40,4+20= 93,80= 5?5= 24,6×3= 7×5,8= 6×5+37= 30?6= 4×8,5= 14?7+25= 10,8?1= 9?3= 27?3+6= 15?5+8= 7×8= 4×3= 56?7,3= 8×9,8= 73,4= 16?4= 49?9+7= 1×2+20= 3×8?4= 12?4= 4×3?2= 16?8+30= 7×6+10= 8?2= 6?3×7= 7×7+8= 72?8= 24?4= 8?4×3= 54?6+33= 64,8= 4×4= 20?4= 5?1= 20?5= 20?5= 24?6= 18?6= 50,7= 4?2= 2×5= 30?6= 10?5= 18?3= 1×1= 4×5= 26，7= 12?6= 2×1= 6×3= 9?3= 12?3= 2×2= 4?4= 18，6= 15?5= 8?2= 25?5= 30?5= 16?4= 10?5= 36?6= 20，4= 30?5= 9?3= 5，1= 5，67= 24?6= 5×6= 12?2= 2×5= 25?5= 1?1= 42?6= 2?2= 20，5= 18?6= 24?3= 5?5= 18?3= 6?1= 2×6= 18?6= 8×6= 2?2= 6×6= 12?6= 39,24= 12?2= 25?5= 12?6= 32?8= 2×7= 12?4= 15?3= 19,7= 15?5= 3×3= 20?4= 12，6= 30?5= 15?5= 30?6= 12?6= 24?6= 33,9= 24?4= 30?6= 16?4= 18?3= 8?4= 15?3= 20?4= 8，72= 10?5= 25?5= 15?3= 3×6= 42?6= 20?5= 10?5= 42,5= 24?3= 24?4= 20?4= 6×2= 25，19= 55，41= 15，6= 18?6= 10?5= 30×4= 36?6= 4×5= 35，6= 81，12= 8，12= 18?6= 20?4= 400×5= 15?5= 4×5= 27,8= 45?3= 27,8= 5×4= 39,24= 51，31= 8?4= 17-9= 36?6= 13×3= 10?2= 3，18= 18?3= 60?4= 5×7= 30,18= 8，4= 120,50= 25，19= 77,19= 1×1= 300,64= 9?3= 24，6= 2?2= 64×10= 30?5= 30?6= 1?1= 6，6×7= 20?4= 7×8= 4?1= 400×5= 16?4= 20?5= 4?4= 50,31= 25，5= 18,6= 9?9= 425×0= 3×6= 15?3= 25×3= 528,0= 18?3= 5×5= 268+125= 450，80= 30，6= 51,8= 280+40= 57，140= 25?5= 8，12= 66,22= 800×2= 3×4= 36,7= 46×20= 3000,400= 20?5= 24?6= 85,42= 420?7= 24?4= 24，6= 90,31= 6×80，20= 18,6= 16?4= 60×9= 420-330= 5×28= 90,26= 300×7= 30+6= 60×5= 8×6，7= 85+ 47= 20×3= 17×3= 52+23= 310×3= 100×2= 12，88= 6×4?2= 200×5= 13×4= 630?9= 120×4= 320×2= 300×3= 350?7= 80×5= 660?6= 36,12= 700×2= 40×5= 700×2= 400×2= 18×4= 15×5，5= 80×3= 40×2= 320×3= 600,50= 70，550= 15×2= 60×15= 56×2= 800×6= 200×4= 72?6?2= 200,36= 500×4= 600?6= 400×3= 15+5×3= 540?9= 60?6= 8，2×20= 380+50= 14×5= 72?8= 22，40= 789，0= 350,80= 21?7= 7×8,7= 300?5= 570，50= 78,28= 56?8= 15×4，8= 23×3= 20+180= 380,190= 680×0= 180?3= 480,80= 400×6= 40×25= 200×8= 40?4= 50,23= 6×6+6= 530,70= 80+60= 35×0= 43,24= 850×2= 28+2= 40×6= 11×9= 263,80= 40?2= 300×6= 120×3= 850?2= 60+6= 7，3×4= 360+80= 98，26×0= 30?3= 口算(三) 50+50= 20×5= 32×3= 500×6= 14×7= 360,60= 75+25= 46,2= 62+18= 60+100= 16×3= 200?5= 15×6= 60?4= 40?2= 800×3= 42?7= 90?3= 42+58= 120,20= 5?5= 66?2= 600×8= 300×5= 700,300= 300×4= 100?2= 5×60= 16×5= 24+54= 880,300= 36?2= 98,48= 51,3= 40,25= 14×3= 21×4= 92+6= 27+36= 20,20= 72+8= 72,41= 48,16= 120×4= 9×110= 60?3= 130,90= 17×2= 17×4= 12×4= 12×5= 50+3= 68,17= 0×800= 60×2= 16?2= 20,14= 140,60= 52+4= 18+16 = 90,15= 48?4= 13×0= 93,28= 80×5= 20?2= 40?2= 86,66= 72,24= 6000?6= 600×2= 95,7= 900?9= 25×3= 12×8= 130×3= 50,25= 15×6= 15?5= 25+17= 84+21= 420,80= 1×40= 660,600= 200×4= 80+120= 10+30= 140×3= 160×6= 5×17= 45×2 = 3×16= 80?2= 86?2= 24×5= 3×80= 60×6= 95?5= 42?2= 200?4= 44,12= 520×3= 777?7= 8×50= 39?3= 63?7= 320×4= 46?1= 32×3= 280?7= 0?54= 88?4= 14×6= 45?3= 45×2 = 10×7= 15,6= 91?1= 24×5= 36?3= 38+27= 25×4= 42?2= 600?3= 40×6= 3600?4= 777?7= 1000×4= 500×3= 102×5= 320×4= 700?7= 22×4= 88?4= 840?2, 270?9= 100?5= 22×4= 12×4= 900?3= 480?8= 66×3= 4×60= 20×6= 68×8= 66?3= 45×6= 93×3= 33?3= 180×7= 35×0= 300?5= 8×700= 0?54= 0?17= 31×8= 26×3= 45×2= 34×2= 770?7, 90×4= 24×5= 40?2= 200?2= 2×45= 42?2= 9×72= 65×2= 490?7= 777?7= 640?8= 6×42= 84?4= 320×4= 86?2= 65?5= 43×2= 0?54= 700×4= 8×100= 30× 2, 1000?5= 40?8= 50+43= 42?2= 240× 0, 230×3, 46×2= 800?2= 20×7= 29×3= 7×140, 7×8= 320×3= 208×6= 18×2= 90?3= 250×4= 200?4= 350×4= 94×4= 403×3= 13×3= 87?3= 4×50, 90?3= 5×307= 820?2= 6×30= 290-190= 390 ? 3,23×4= 52×3= 200?5= 4×19= 100,63= 84?4= 600×9= 540?9= 2×27= 120?4= 8×63= 77?7= 28?4= 600×9= 640?2= 240?8= 130×3= 990+100= 860×2= 2×16= 83-26= 5000?5= 68× 5= 690?3= 2×29= 63?3= 0×13= 39×2= 23×9= 80?4= 560?7= 100?1= 12×7= 30×6= 5×30= 70?5= 80×4= 80×5= 100-19= 4×25= 81?9= 96?3= 700?7= 29×3= 4×21= 76×2= 71-22= 79×6= 14×7= 50×9= 60?2= 2×28= 720?9= 75?5= 450×3= 0×65= 5×14= 400?8= 100?5= 9×13×0= 560?8= 70×8= 630?9= 45?3= 120×4= 61+19= 350?7= 51，31= 80×5= 36×2= 13×3= 700×2= 40×5= 0×999, 60?4= 18×4= 15×5，5= 18×4= 120,50= 320×3= 600,50= 3×13= 300,64= 60×15= 56×2= 60?3= 64×10= 72?6?2= 200,36= 15+5×3= 90-28= 6，6×7=400×3= 12×5= 400×5= 8，2×20= 380+50= 7×85= 50,31= 22，40= 789，0= 425×0= 300?5= 2×45= 7×8,7= 528,0= 15×4，8=25×3= 56?8= 450，80= 680×0= 268+125= 380,190= 280+40= 57，140= 400×6= 40×25= 66,22= 800×2= 50,23= 6×6+6= 46×20= 3000,400= 35×0= 43,24= 85,42= 420?7= 40×6= 11×9= 6×80，20= 90,31= 300×6= 120×3= 60×9= 420-330= 7，3×4= 360+80= 55，41= 5×28= 90,26= 300×7= 30×4= 60×5= 8×6，7= 85+ 47= 81，12= 17×3= 52+23= 310×3= 400×5= 12，88= 6×4?2= 200×5= 口算(四) 320×2= 13×4= 62+18= 60+100= 660?6= 300×3= 15×6= 60?4= 700×2= 36,12= 42?7= 90?3= 80×3= 400×2= 5?5= 66?2= 70，550= 40×2= 700,300= 300×4= 15×2= 800×6= 16×5= 24+54= 200×4= 500×4= 98,48= 51,3= 540?9= 600?6= 21×4= 92+6= 14×5= 60?6= 72+8= 72,41= 350,80= 72?8= 9×110= 60?3= 21?7= 570，50= 17×4= 12×4= 78,28= 23×3= 68,17= 0×800= 180?3= 20+180= 20,14= 140,60= 200×8= 480,80= 90,15= 48?4= 530,70= 40?4= 80×5= 20?2= 850×2= 80+60= 72,24= 6000?6= 263,80= 28+2= 900?9= 25×3= 850?2= 40?2= 50,25= 15×6= 98，26×0= 60+6= 84+21= 420,80= 30+6= 30?3= 200×4= 80+120= 20×3= 50+50= 20×5= 32×3= 100×2= 14×7= 360,60= 75+25= 16×3= 39?3= 900-640= 800×3= 40?2= 32×3= 650+300= 120,20= 42+58= 300×5= 14×6= 480+120= 600×8= 5×60= 15,6= 47+30= 100?2= 36?2= 38+27= 63? 3 = 40×2= 70? 5 = 880,300= 14×3= 300×2= 22? 2 = 40,25= 20,20= 50×3= 56? 2 = 27+36= 120×4= 48,16= 17×2= 400×2= 57? 3 = 130,90= 50+3= 300×2= 90? 5 = 12×5= 16?2= 100×7= 27 + 46 = 60×2= 18+16 = 200×3= 90 + 47 = 80×5= 18 + 15 = 52+4= 93,28= 13×0= 86,66= 900×7= 92 + 65 = 40?2= 95,7= 11×8= 18 + 53 = 600×2= 130×3= 31×3= 3×7+4= 12×8= 25+17= 41×2= 4×6，2= 15?5= 660,600= 5×6，4= 5×9，6= 1×40= 140×3= 7×2，8= 3×8，9= 10+30= 160×6= 12×2，3= 9×2，4= 500×6= 80?2= 20+370= 5×200= 46,2= 60×6= 330+160= 25×4= 200?5= 44,12= 720-140= 125?5= ( )×5<37 8×800= 900×2= 360?40= 7×( )=56 5×500= 540?3= 20×40= ( )×9=63 19×4= 180+170= 750-300= 4×400= ( )×3=27 500-192= 900?18= 900×3= 2×( )<15 560+80= 750?25= 800×4= ( )×4<25 84?21= 16×4= 2×9+3= 4×7+9= 630?3= 20×40= 3×4，5= 3×6，7= 1206= 68?17= 2×7，8= 3×9，4= 210×2= 250-70= 2×8，6= 6×6，7= 123×3= 5×0×3= 2×9，5= 9×2，8= 37×6= (5+25)×4= 32?4+13= 90×9= 4×7+5= 900?18= 8×( )=64 3×9，4= 64?2= 16+7×2= ( )×9=36 8×8，7= 23×4= 30×6×4= 6×( )=545×5，9= 300?60= 6×(580-80)= ( )×9=72 42×3= 90?6= 420-210×2= 7×( )=49 25×3= 910?7= 100×3+32= 180×5-120= 5×( )=30 80×9, 280+60= 48×2= 52×7= 80?16= 5×4×100= 600×4= 80×6= 81?9= 45?9×200= 50×9= 400×8= 49?7= (100-50)×50= 70×7= 104×3= 750-300= (501-1)×1= 15×8= 0×105= 62+18= 750-250×0= 850-( )=300 40×5, 36?3, 18?3= 200×( )=200 50×8, 80?2, 28+20= 230×4= 60×7, 70×3, 71+23 = 120×7= 9×600, 60×4, 73–70= 46×2= 800×4, 80?4, 420+80= 70×9= 20×7, 42?7, 500,60= 21×6= 8×50, 60?3, 34+25= 25×4= 600×9, 66?3, 87-35= 32×3= 46?2, 69?3, 26+44= 308×4= 66?6, 40?2, 80-27= 34×5= 31×3, 88?4, 999×0 = 19+0= 70×5, 46?2, 60?3, 46?2, 34×2, 66?3, 35，47= 48?2, 84–34= 44?4, 26，34= 80?4, 44，46= 30×2, 47–35= 84?4, 300，800= 300×2, 45–37= 1100,500= 25，57= 50×4, 69?3, 50,26= 24×2, 500×4, 800×3, 71,24= 82?2, 30,18= 700+500= 1300,600= 15×3, 77,19= 4×500, 6×70, 13×5, 25，19= 1600–800= 6×700, 12×4, 39,24= 80?2, 60?2, 14×5, 36?6= 47,35= 口算(五) 210×4, 1100,500= 300，800= 84,34= 3000，300= 65,59= 50,26= 25，57= 46?2, 70,32= 71,24= 24×2, 2×320 = 63,25= 1300,600= 82?2, 40?2, 54，18= 6×70, 15×3, 110×7, 47，32= 6×700, 13×5, 65，27= 50×6, 60?2, 12×4, 4700–4000= 40×8, 40×5, 14×5, 1200,600= 200×5, 50×8, 36?3, 48?2, 31×2, 60×7, 80?2, 55，37= 2×230, 9×600, 70×3, 66，24= 65,27= 800×4, 60×4, 400，700= 65,35= 20×7, 80?4, 700×4, 80,26= 8×50, 42?7, 27，23= 70×8, 600×9, 60?3, 63?3, 4×60, 46?2, 66?3, 90×5, 5×600, 66?6, 69?3, 60–24= 30×6, 31×3, 40?2, 90?9, 46?2, 70×5, 88?4, 68，17= 48?2, 34×2, 46?2, 700，900= 80?4, 84–34= 66?3, 39，43= 84?4, 44，46= 44?4, 30×2, 27，23= 47–35= 4×60, 300×2, 63?3, 45–37= 90×5, 50×4, 69?3, 5×600, 30×6, 500×4, 800×3, 60–24= 46?2, 30,18= 700+500= 90?9, 48?2, 77,19= 4×500, 68，17= 80?4, 25，19= 1600–800= 700，900= 84?4, 39,24= 80?2, 39，43= 1100,500= 36?6= 47,35= 84,34= 50,26= 18?3= 210×4, 65,59= 71,24= 28+20= 3000，300= 70,32= 1300,600= 71+23 = 46?2, 63,25= 6×70, 73–70= 2×320 = 54，18= 6×700, 420+80= 40?2, 47，32= 60?2, 500,60= 110×7, 50×6, 40×5, 34+25= 65，27= 40×8, 50×8, 87-35= 4700–4000= 200×5, 60×7, 26+44= 1200,600= 31×2, 9×600, 80-27= 48?2, 55，37= 800×4, 999×0 = 2×230, 66，24= 20×7, 60?3, 65,27= 65,35= 8×50, 35，47= 400，700= 80,26= 600×9, 26，34= 700×4, 70×8, 46?2, 66?6, 80-27= 48?2, 40?2, 31×3, 999×0 = 2×230, 88?4, 70×5, 46?2, 60?3, 65,27= 34×2, 66?3, 35，47= 400，700= 84–34= 44?4, 26，34= 700×4, 30×2, 44，46= 47–35= 27，23= 300×2, 300，800= 45–37= 63?3, 50×4, 25，57= 69?3, 5×600, 24×2, 500×4, 800×3, 60–24= 82?2, 30,18= 700+500= 90?9, 15×3, 77,19= 4×500, 68，17= 25，19= 13×5, 1600–800= 700，900= 39,24= 12×4, 80?2, 39，43= 14×5, 36?6= 47,35= 84,34= 36?3, 18?3= 210×4, 65,59= 80?2, 28+20= 3000，300= 70,32= 70×3, 71+23 = 46?2, 63,25= 73–70= 60×4, 2×320 = 54，18= 80?4, 420+80= 40?2, 47，32= 42?7, 500,60= 110×7, 50×6, 60?3, 34+25= 65，27= 40×8, 66?3, 87-35= 4700–4000= 200×5, 69?3, 26+44= 1200,600= 31×2, 55，37= 3600,600= 18?3= 44×2= 66，24= 70×2= 3400,300= 78-48 = 65,35= 120，400= 3×300= 36?5= 80,26= 21?7= 200×8= 16×4= 70×8, 700，800= 850-660= 870-530= 4×60, 9×4= 80+240= 470+65= 90×5, 48?6= 7×90= 13×4= 6×3= 1200，800= 57 - 27 = 68+27= 49?7= 720，80= 23×7= 4×500= 18?6= 8×7= 860-300= 0×58= 45，32= 460，400= 21×9= 900×6= 24?8= 6×8= 20×4= 57-35= 6×7= 40?5= 400×8= 12 + 12 = 500，300= 45?5= 43?6= 206×5= 450，500= 200，800= 23×6= 530×3= 360,80= 24,6= 256-97= 302+56= 50，800= 8×3= 7×7+6= 22×6= 40×9= 9×6= 3000,1500= 62+36= 72?8= 760，60= 28+3= 25×6= 28?7= 35?7= 51-11= 801×9= 5×9= 27，53= 17?2= 0×8+5= 360,30= 240,120= 40×5= 11×3= 730,700= 5000,500= 42×3= 9×5-13= 口算(六) 130×6= 420?7, 83,57, 70×30= 26?4= 17×20= 3×220, 29，68, 100-34+14 = 7000-340= 480?4, 68,49, 25+82= 3044+306=58，33, 80×7, 420,20, 800?4, 78×3= 6409+23= 93?3, 330?3, 35+55= 2525+201= 880?4, 3×23, 81-33= 260-80= 35×3= 108 - 23 = 1200,200, 64?2, 240+109= 26+9= 11×7, 58，26, 39 + 29 = 57,38, 80,46, 34×2, 200×5= 1500,700, 0?51, 550?5, 42×2, 56?8, 800×8, 7×3+9= 36?7= 99?3, 0×85, 420?2, 380?19= 770?7, 70?7, 63?3, 40×100= 660?3, 14×2, 160?4, 2020?20= 960?3, 5×900, 800，700, 75-75?5= 180?9, 2×200, 690?3, 360?90= 65，15, 84?4, 58,0, 15×4×8= 660?6, 0?91, 2×440, 200-136= 800×2, 930?3, 48?2, 660?60= 50?5, 390?3, 480?2, 48×5= 3×800, 0，22, 60×5, 2×44, 0×57, 230×3, 60,15, 840?4, 120×4, 11×4, 900?3, 440?4, 0×97, 82,55, 450?9, 32×3, 360?9, 310×3, 360?6, 48?4, 44×2, 720?9, 37，56, 540?9, 960?3, 4700,700, 32×3, 90?9, 32×2, 600?3, 70×7, 13×3, 2×440, 48，28, 1200,700, 600×7, 460?2, 640?8, 300?6, 120×3, 70，500, 480?8, 50×7, 480?2, 3×33, 7×50, 0×37, 39?3, 280?4, 800?8, 53,14, 560?8, 9×400, 880?8, 17，27, 990?3, 3×330, 9×500, 840?4, 3×200, 690?3, 80，17, 2×14, 620?2, 49，33, 54，28, 140?2, 660?2, 700?7, 42×3, 660?6, 640?8, 23×3, 1700,800, 7×800, 880?4, 78,36, 90?3, 7×700, 7500,500, 11×4, 180?3, 840?2, 0?91, 230×3, 300?5, 430×2, 12×4, 310×3, 930?3, 540?9, 3×31, 390?3, 800?4, 31×3, 13×3, 700?8, 10×74, 20×33, 34，56, 0?47, 50×10, 90×20, 96?3, 560?7, 70×11, 20×13, 2×330, 440?4, 30×40, 31×20, 50×6, 93?3, 24×20, 22×3, 680?2, 24×2, 12×20, 60×90, 620?2, 0?54, 30×21, 39×10, 6×800, 23×3, 20×70, 21×2, 960?3, 12×30, 28×1, 44×20, 1500,900, 7×80, 20×13, 12×4, 1800,800, 48×10, 1×36, 22×30, 63?3, 40×40, 10×19, 22×4, 26，57, 40×10, 11×50, 30×80, 800?8, 23×30, 30×30, 33×10, 33，57, 60×50, 28×10, 50×90, 600×3, 70×80, 20×50, 12×40, 37，8, 10×68, 10×36, 220×3, 480?8, 40×50, 30×33, 22×40, 630?3, 30×21, 21×40, 90×40, 62,33, 7×11, 12×10, 200×3, 500，500, 50×70, 31×2, 41×20, 33×2, 24×2, 14×20, 21×30, 800?2, 30×70, 6×90, 10×46, 3×700, 40×70, 8×70, 20×34, 33×30, 48，19, 42×20, 300×3, 20×41, 70×6, 400，300, 80×4, 6×600, 4×900, 5×900, 65×0, 24×20, 2×310, 10×33, 330?3, 50×30, 20，35, 22×0, 250?5, 0×45, 45，35, 80×70, 680,80, 50×70, 32×20, 200×4, 21×40, 800×7, 70×60, 0?20, 80×40, 60?6, 84×1, 6×60, 10×37, 10×89, 900×6, 22×40, 20×50, 69×10, 34×20, 44，20, 2000，300, 13×30, 33×30, 40×40, 880?2, 23×30, 31×20, 43×20, 70×20, 4×90, 700×6, 46，37, 400?4, 60×60, 84×10, 420?6, 0×66, 60×40, 9×800, 300?6, 50×30, 90×30, 70×30, 40×11, 640?8, 21×40, 2×42, 360?9, 880?4, 30×20, 86,47, 10×34, 400，300, 40×90, 5×90, 40×90, 34，39, 2×31, 22×30, 90×60, 360?6, 33×20, 6×500, 490?7, 99×10, 口算(七) 12×20, 75，18, 20×23, 330×3, 30×80, 23，48, 440?4, 0×30, 41×20, 90×30, 30×32, 750,50, 97×10, 30×12, 0×35, 480?8, 700?7, 46，24, 10×35, 5000，2000, 33×30, 0?73, 29，61, 77,48, 0?59, 42×20, 40×70, 300?5, 11×80, 100?5, 30×30, 300，700, 200?4, 10×50, 50×90, 420?2, 31×20, 350?5, 80×30, 820?2, 600，90, 52,29, 20×14, 70×11, 4700,700, 240×2, 90×50, 4500,500, 44,37, 52，39, 420?6, 20×40, 40×12, 400?8, 300?6, 400?4, 84,47, 480?8, 240?4, 11×40, 630?7, 33×30, 69×10, 900×5, 71,23, 50×5, 22×40, 67,49, 0?43, 800×3, 33×20, 200?4, 31×30, 60×50, 900?9, 8000,1000, 21×30, 410×2, 810?9, 20×24, 43×2, 41×20, 630?9, 57，29, 0×20, 310×3, 30×23, 540?6, 10×73, 6000，2000, 77,29, 80×80, 10×58, 80×80, 0?93, 10×47, 0?49, 29，14, 640?2, 30×70, 34×20, 80×50, 30×50, 0?93, 80×90, 200×4, 75，18, 600?6, 30×70, 36，56, 600，700, 10×36, 120×4, 88×10, 40×70, 660?3, 640?8, 600?6, 43，38, 43，38, 720?9, 22×30, 90×50, 720?8, 10×34, 400，600, 84,65, 36，56, 65×10, 34，29, 43,16, 23×30, 660?3, 800?8, 10×80, 10×73, 700×5, 21×30, 57，29, 90×50, 41×20, 720?8, 500，40, 800?8, 7000,3000, 33×30, 88×10, 6000，2000, 30×30, 32×20, 700×5, 120×4, 10×47, 87×10, 80×90, 640?2, 30×23, 500，40, 40×70, 9?3, 660?6, 22×40, 21×30, 90?3, 5900,5000, 440?4, 660?6, 900?3, 11×40, 33×20, 65×10, 70×20, 70×40, 320?4, 540?6, 180?2=, 10×36, 900?3, 22×40, 4000?5, 360?6= 180?3= 140?2= 75-64= 1400?7= 700×8= 50×2= 20×10= 200?5= 350?5= 40?8= 480?6= 720?8= 5×6+41= 320?4= 42+36= 27?9= 1600?4= 85-62= 8×3?4= 9= 200?5= 270?9= 2700?40×50= 30×60= 4000?8= 60×50= 41+25= 300?6= 360?6= 40?5?2= 40×7= 150?5= 1400?2= 150?3= 350?7= 490?7= 200?4= 100?5= 40×9= 420?6= 90×4= 720?9= 36+24= 90?3= 70×20= 120?2= 70?5= 90×70= 81?9= 180?2= 78-19= 42?6×6= 47?8? 80+8= 30×8= 24?4= 18?6= 140-80= 12?4+9= 240?4= 83?9? 20-7= 25?4? 90×9= 36?5? 60+40= 73?9? 43?7? 8100?9= 160-80= 65?8? 300?5= 25?6? 210?7= 138?7? 420?7= 21?4? 30×80= 359?6? 720?9= 71?9? 800?2= 45?7? 20×21= 80?8= 40×8= 10?6? 300?6= 40×80= 300?5= 34?8? 321?4? 73?9? 50+500= 210?3= 181?9? 256?5? 120-40= 4×200= 160?4= 180-60= 214?7? 48?6×4= 270?9= 600+600= 125?2? 900+700= 400?8= 110-90= 21?4? 90+80= 90+9= 360?6= 20+70= 73?9? 12-6= 810?9= 40+500= 280?4= 360?9= 200-60= 300?5= 150-90= 420?7= 120-50= 320?8= 10+10= 1400?2= 720?9= 180?6= 120-10= 200?4= 40×50= 630?9= 130-50= 720?9= 140-50= 360?4= 4000?5= 50?1= 630?7= 200-40= 450?5= 40×30= 39+45= 1600?2= 300×6= 150?3= 300?6= 2800?4= 280?7= 180?2= 420?7= 540?9= 240?8= 80×60= 100?5= 60×5= 3×90= 200?5= 40?2= 40×2= 300?5= 4×10= 60×20= 18?2?3= 60×6= 60?2= 245?8? 400?5= 120?3= 420?6= 80?9? 80×7= 400×9= 64?8×8= 721?8? 160?8= 810?9= 180-10= 46?9? 36+42= 5×7-20= 口算(八) 14?4? 4000?8= 80×20= 10-8=17?9? 4200?6= 180?9= 110-70= 650?8? 8100?9= 270?9= 100-100= 35?6? 3000?5= 270?3= 6+10= 30×40= 83?3? 420?7= 240?6= 1000?2= 27?9×9= 30×7= 41?5? 2000?4= 75?9? 80?8= 50?7? 17?8? 450?9= 32?5? 320?4= 19?4? 900×2= 60?8? 30×5= 70?9? 80?4= 37?6? 60?3= 490?7= 20?9? 30×21= 900×5= 45-6= 24?5? 630?9= 140?2= 40×60= 100?2= 48?7? 40×90= 1500?5= 30×6= 15?2? 25?5×8= 210?3= 90?3= 25?4? 20+10= 80×4= 80×60= 80?9? 110-6= 190-90= 240?4= 400?10= 70+80= 200-90= 80×7= 9×9+12= 140-2= 160?2= 100?1= 150-20= 70+90= 4×8+52= 50×50= 70+30= 70+2= 2000?4= 720?8= 16-2= 140-7= 2700?9= 810?9= 40+80= 70+50= 700+600= 30+20= 150?2? 80+20= 17-1= 30+70= 45×2? 60+90= 720?8= 10+50= 10-5= 65?9? 9×800= 19-4= 90+20= 90?9= 52+35= ?10+60= 17-8= 1600?2= 80?4=20+80= 180-80= 71-68= 140?2= 50+70= 350?5= 600?1= 60×2= 140-20= 210?7= 1500?3= 60?2= 190-80= 3×8= 9×300= 490?7= 60?6= 80?2= 45+45= 50×90= 100?2= 63+24= 40×10= 54?6×4=42?7=180?3= 66+26= 25?4? 5×21= 80×90= 5×5+52= 340?9? 56?7= 280?4= 90+30= 470?8? 25+41= 9×100= 90+40= 56?6? 14?7= 8?1×8= 170-90= 12?9? 300×7= 42×42? 110-30= 50+80= 201?5? 120?2= 66×54? 450?7? 4×9+40= 42×98? 110-80= 142?2? 140-3= 131?6? 50+90= 35?4? 30+6= 83?9? 400+300= 46?9? 130-2= 45×8? 150-60= 13-7= 20+90= 43?7? 160-60= 160?8= 13?6? 400?4= 25=4200-2200= 150+40= 83?9? 350-80= 220+80= 2100?3= 51×82? 160+70= 20×8×5= 50×80= 410?7? 18-64?8= 600-3×200= 28?7= 25?4? 42?6+20= 20+20?2= 500×4= 52×94? 40-5×7= 35-25?5= 24?8= 45×6= 80+60?3= 36+8-40= 12×20= 125×8= 41+18?2= 2800?40= 35?5= 6×5= 75-11×5= 98?14 = 4×9?6= 30×3+8= 42+7-29= 96?24 = 250?5= 400?4+20= 5600?80= 56?14 = 63?9=10+12?3+20= 25×16= 65?13 = 280?4= 80?20= 120×25= 75?15 = 50×50= 70×5=1 36×11= 120?24= 810?9= 360?40= 1025?25= 200?25 = 300×6= 40×20= 336+70= 800?16 = 25+41= 80-25= 25×9×4= 840?21 = 70+45= 140?7= 200-33×3= 560?14 = 20×31= 90×2= 3020-1010= 390?13 = 90-65= 16×6= 12×50= 600?15 = 52×44? 300×6= 25×8= 72?24 = 74×54? 540?9=60 23×11= 85?17 = 41×75? 30×20= 125?5 90?15 = 96?16 = 99,16= 24，6= 0×518= 78?26 = 60×2= 16?4= 10×76= 51?17 = 36×10= 18?6= 25，19= 80?40 = 15×6= 4×501= 55?5= 100?20 = 24×3= 18?6= 20?4= 401×5= 27,8= 100?4 = 5×18= 17-9= 39,24= 240?40 = 26×4= 300×6= 36?6= 920?4 = 7×15= 300?60= 32×30= 36?4= 18?3= 64?2 = 40×15= 72?6= 101×1= 64?4 = 60×12= 48?3= 400?2= 50?5 = 23×30= 15?5= 30+6= 30×50= 30,18= 24?4= 60?8 = 96?4 = 5×700= 77,19= 3，18= 90?6 = 82?9? 24，16= 5×4= 400+80 = 20?4= 30?6= 89，4= 400-80 = 16?8= 7×8= 35-6= 40×80 = 25，35= 68,19= 36,19= 400?80 = 300×6= 150?3= 20?5= 48?16 = 48?3= 51×5= 28+20= 96?24 = 25?5= 51,18= 58–16= 160×5= 3×400= 38，12= 66–60= 4×250= 20?5= 24?6= 16×5= 口算(九) 75–29= 53+18= 9900-900= 10?5= 38+40= 104×9= 300×2= 0×700= 71+23 = 28?2= 88?8= 107×8= 89–18 = 32?8= 3×700= 72?8= 50+24= 8?1= 99?1= 0?9= 4+55= 420+80= 80×3= 13+0= 96–20= 500,60= 4×300= 26+44= 66–60= 5+58= 16?4= 80-27= 38+21= 280+450= 64?8= 42?7= 30+34= 78+15= 63?7= 800×3= 69–17= 200×9= 18?2= 18?3= 59–14= 84+17= 9×106= 50×5= 73–70= 80,44= 8×70= 60?6= 95–50= 32?8= 6×80= 36?6= 25+44= 5×7-25= 401×5= 36-0= 62+17= 7900-900= 90×4= 48?6= 30+49= 400+100= 32?4= 95-49= 86–60= 1100-200= 72?9= 50×9= 91–50= 5000+300= 34+25= 21?3= 36+30= 3000+600= 87-35= 3×500= 51+25= 200+4000= 200×9= 87-17= 27?9= 6400-400= 9?4= 21+45= 67+19= 20?5= 6×7= 72?9= 150×3= 48?8= 9×9= 18?3= 70×9= 54?6= 6×8= 8?1= 300×1= 16?4= 7×5= 7?1= 0×109= 72?8= 8×8= 0?7= 101×7= 65?9= 9×6= 0?100= 30×9= 15?3= 9×7= 45?9= 4×500= 5?5= 6×6= 36?4= 50×7= 63?9= 4×5= 24?4= 31-19= 0?3= 25?5= 20?4= 60-29= 42?7= 4?2= 42?7= 80-37= 2?1= 8?4= 27?3= 900+3000= 3×3= 9?3= 54?6= 4200-200= 5×6= 16?4= 36?9= 900+200= 9×8= 20?5= 72?8= 8000-6000= 3×7= 12?4= 0?99= 4000+100= 6×2= 18?9= 15?3= 5600+300= 7×6= 32?4= 5?5= 5000+300= 4×5= 40?8= 63?9= 10000-1000= 2×1= 54?6= 0?3= 12?6= 6×4= 48?6= 42?7= 69?7= 6×0= 16?2= 2?1= 0?9= 5×3= 56?7= 48?8= 54?6= 2×1= 20?5= 20?5= 16?4= 6×4= 12?4= 5?5= 72?8= 6×0= 18?9= 30?6= 0×9= 5×3= 27?3= 9?3= 1×7= 6×7= 18?3= 4×3= 8×9= 9×9= 18?9= 16?4= 4×5= 6×8= 45?5= 12?4= 7×7= 7×5= 9?3= 8?2= 4×3= 8×8= 72?9= 24?4= 6×6= 9×6= 8?1= 4×4= 7×2= 9×7= 20?5= 20?4= 3×3= 6×6= 48?8= 24?6= 4×9= 4×5= 54?6= 2×5= 8×0= 7×9= 1?1= 1×1= 0×0= 3×1= 4?4= 2×1= 1×7= 0×9= 4?1= 2×2= 5×6= 1×7= 9?9= 8?2= 9×8= 8×9= 3×6= 10?5= 3×7= 9×7= 18?3= 9?3= 6×2= 4?2= 18?6= 5×6= 7×6= 8?4= 15?3= 1?1= 4×5= 9?3= 6?3= 18?6= 7×6= 16?4= 25?5= 6?1= 2?2= 6×6= 12?6= 39,24= 12?2= 25?5= 12?6= 32?8= 2×7= 12?4= 15?3= 19,7= 15?5= 3×3= 20?4= 12，6= 30?5= 15?5= 30?6= 12?6= 24?6= 33,9= 24?4= 30?6= 16?4= 18?3= 8?4= 15?3= 20?4= 8，72= 10?5= 25?5= 15?3= 3×6= 42?6= 20?5= 10?5= 42,5= 24?3= 24?4= 5?1= 20?5= 20?5= 20?4= 18?6= 50,7= 4?2= 15，6= 30?6= 10?5= 18?3= 36?6= 4×5= 26，7= 12?6= 8，12= 6×3= 9?3= 12?3= 15?5= 4?4= 18，6= 15?5= 27,8= 25?5= 30?5= 16?4= 8?4= 36?6= 20，4= 30?5= 10?2= 5，1= 5，67= 24?6= 5×7= 12?2= 2×5= 25?5= 25，19= 42?6= 2?2= 20，5= 9?3= 24?3= 5?5= 18?3= 30?5= 2×6= 18?6= 8×6= 9×9= 口算(十) 8?8= 0×7= 7×9= 0?9= 3×7= 7×8= 3×1= 20?5= 9?1= 0?9= 0×9= 48?8= 8×1= 13+0= 1×7= 54?6= 4×3= 26+44= 8×9= 16?4= 16?4= 80-27= 4×5= 72?8= 64?8= 42?7= 7×7= 0?99= 63?7= 8×3= 4×3= 15?3= 18?2= 18?3= 6×6= 5?5= 9×6= 5×5= 7×2= 63?9= 8×7= 6?6= 3×3= 0?3= 6×8= 36?6= 4×9= 42?7= 4×5= 36-0= 8×0= 2?1= 9×4= 48?6= 0×0= 3×3= 32?4= 2×8= 1×7= 5×6= 72?9= 5×9= 27?3= 9×8= 34+25= 21?3= 18?3= 3×7= 87-35= 3×5= 18?9= 6×2= 2×9= 5×6= 45?5= 7×6= 9?4= 7×8= 9?3= 4×5= 72?8= 3×4= 12?6= 2×1= 10?5= 5×5= 63?7= 6×4= 6×0= 9600-6000= 84?4= 18+71= 5×3= 800-60= 21×3= 50?5= 6×7= 64+26= 82-26= 3100-1000= 9×9= 93-31= 64+26= 600-700= 6×8= 44+49= 19+66= 5400-400= 7×5= 200+6000-200080-22= 78-69= 8×8= 15+67= 7×10= 18+71= 9×6= 7300-300= 300+700= 2000+60= 9×7= 3600-300= 85+28= 58+36= 6×6= 63-52= 76-17= 9300-300= 4×5= 4300-300-600=22+29= 80-22= 23+19= 19+61= 800+600= 44+29= 64-45= 80-55= 900+4000+80= 76-17= 58+36= 50-39= 42?2= 34+19= 40-11= 82-62= 40-11= 82-62= 110-60= 30?6= 90-43= 2000+800= 5600-5000= 7400+600-800=31×2= 74-29+48= 4300-300= 23+36= 93-31= 7×10= 4300600= 6000+900= 9900-900= 93-31= 60-6= 20+67= 110-60= 23+19= 44+49= 36-18= 63-25= 1100-100= 8800-80= 30?3= 31-15= 23+19= 200+6000-200078+19= 34+19= 82-26= 150-90= 49+25= 67+23= 58-46= 50-39= 85-69= 80-37= 68-46= 18+71= 92-27= 55-38= 68-37= 800+600= 37-35= 16+25= 76-68= 9300-300= 29+43= 43×2= 80×5= 39?3= 71-35= 32+53= 77-29= 96?3= 36-24= 42+15= 66-38= 8000-3000= 26+13= 21+79= 72-39= 39?3= 65+33= 120-43= 45+15= 50?5= 12×4= 25-7= 17+46= 22?2= 73+23= 62-35= 200×4= 44+29= 45-42= 47-29= 75+34= 63-52= 72-8= 21×3= 57+33= 34+19= 50-36= 44+17= 400?8= 0?24= 53-32= 21+78= 22×4= 0×24= 63?6= 76-37= 23,18= 0，245= 120-49= 93-17= 54，17= 245?5= 80-36= 28+35= 12×3= 50,24?4= 53-16= 40×3= 840?4= 34+64= 18+62= 72-35= 400?8= 42-16= 61-37= 72?3= 22×4= 60-58= 32×3= 9×110= 23,18= 28+56= 67-54= 36+52= 54，17= 12×3, 960?3, 2×200, 58,0, 840?4, 180?9, 84?4, 2×440, 99，1, 65，15, 0?91, 48?2, 31×3, 660?6, 930?3, 480?2, 84,47, 800×2, 390?3, 60×5, 280?2, 50?5, 0，22, 2×44, 320×2, 3×800, 83,57, 840?4, 540，20, 420?7, 29，68, 54+36, 96,46, 3×220, 68,49, 37+55, 80×50, 480?4, 80×7, 73-35, 420?7, 58，33, 800?4, 74+21, 65，35, 420,20, 330?3, 120-73, 110×5, 93?3, 3×23, 29×3, 73,28, 880?4, 64?2, 90-47, 930?3, 1200,200, 58，26, 70-32, 24×20=, 11×7, 34×2, 56+34, 26+9, 80,46, 550?5, 36+23, 57,38, 0?51, 800×8, 21+67, 1500,700, 0?76, 420?2, 56?3, 42×2, 0×85, 63?3, 43+26, 99?3, 70?7, 160?4, 61+46, 770?7, 14×2, 800，700, 58-45, 660?3, 5×900, 690?3, 10?3, 口算(十一) 12?2= 48?6 = 24?4= 72?3= 35?5 = 43?5= 67-54= 9×110= 82?9= 54?6 = 67+23= 36+52= 51?7 = 49?5 = 80-37= 58-46= 84?9 = 79?8 = 55-38= 68-46= 46?6 = 6×( )= 36 16+25= 68-37= 3×( )= 12 ( )×5 = 30 43×2= 76-68= ( )×4 = 20 35?7 = 32+53= 80×5= 36?4 = 72?8= 42+15= 77-29= 31?5= 27?8 = 21+79= 66-38= 13?2 = 21?4 = 120-43= 72-39= 27?7 = 37?4 = 25-7= 45+15= 41?6 = 5×( )= 25 62-35= 17+46= 2×( )= 10 ( )×4 = 36 47-29= 200×4= ( )×9 = 81 36?9 = 21×3= 75+34= 56?7 = 28?9= 44+17= 57+33= 29?3= 39?9 = 21+78= 400?8= 9 ?5 = 61?7 = 76-37= 22×4= 29?3 = 48?9 = 93-17= 23,18= 24?5 = 9×( )= 72 28+35= 54，17= 5×( )= 45 ( )×2 = 6 40×3= 12×3= ( )×4 = 32 72?9 = 72-35= 840?4= 400?8, 42×2, 0×85, 420?2, 22×4, 99?3, 70?7, 63?3, 23,18, 770?7, 14×2, 160?4, 54，17, 660?3, 5×900, 800，700, 12×3, 960?3, 2×200, 690?3, 840?4, 180?9, 84?4, 58,0, 99，1, 65，15, 0?91, 2×440, 31×3, 660?6, 930?3, 48?2, 84,47, 800×2, 390?3, 480?2, 280?2, 50?5, 0，22, 60×5, 320×2, 3×800, 83,57, 2×44, 540，20, 420?7, 29，68, 840?4, 96,46, 3×220, 68,49, 54+36= 80×50, 480?4, 80×7, 37+55= 420?7, 58，33, 15×8, 73-35= 65，35, 420,20, 800?4, 74+21= 110×5, 93?3, 330?3, 120-73= 73,28, 880?4, 3×23, 29×3= 930?3, 1200,200, 64?2, 90-47= 24×20, 11×7, 58，26, 70-32= 26+9, 80,46, 34×2, 56+34= 57,38, 0?51, 550?5, 36+23= 1500,700, 0?76, 800×8, 21+67= 56?3= 29?3 = 9×( )= 72 ( )×6 = 48 43+26= 24?5 = ( )×2 = 6 28?7 = 61+46= 5×( )= 45 72?9 = 36?6= 58-45= ( )×4 = 32 24?4= 17?2 = 10?3 48?6 = 14?7 = 40?6 = 5?2 43?5= 23?6 = 19?8 = 35?5 = 54?6 = 47?7 = 7×( )= 56 82?9= 49?5 = 7×( )= 28 ( )×1 = 7 51?7 = 79?8 = ( )×3 = 21 54?9 = 84?9 = 6×( )= 36 56?8 = 64?8= 46?6 = ( )×5 = 30 28?3= 58?9 = 3×( )= 12 35?7 = 65?8 = 41?7 = ( )×4 = 20 72?8= 26?3 = 66?7 = 36?4 = 27?8 = 51?8 = 12×5= 31?5= 21?4 = 11×6= 2×( )= 14 13?2 = 37?4 = 8×( )= 40 ( )×7 = 63 27?7 = 5×( )= 25 ( )×4 = 16 24?6 = 41?6 = ( )×4 = 36 63?7 = 49?9= 2×( )= 10 36?9 = 34?6= 35?4 = ( )×9 = 81 28?9= 10?7 = 29?9 = 56?7 = 39?9 = 77?9 = 29?4 = 29?3= 61?7 = 37?5 = 2×( )= 8 9 ?5 = 48?9 = 6×( )= 24 ( )×5 = 35 42?6 = 43?5 = 55?6 = 48?8 = 45+37= 30?8= 67?9 = 9×( )= 18 4×7= 15?2 = 9 ?4 = ( )×8 = 64 550-550= 17?6 = 8×( )= 16 18?6 = 500-370= 32?5 = ( )×3=27 64?9= 25+75= 3×( )= 18 42?7 = 69?8 = 55+88= ( )×3 = 12 23?5= 19?3 = 69+24= 12?6 = 35?6 = 510?3= 350-80= 40?8= 29?5 = 40×9= 77+66 = 33?9 = 33?5 = 23×30= 790+130= 46?8 = 1×( )= 4 84?4= 87-29= 17?7 = ( )×3 = 9 15?3= 800-330= 9×( )= 45 49?7 = 12×4= 99+11= ( )×9 = 54 45?5= 50×9= 257,257= 32?4 = 19?2 = 4×25= 65+35= 54?6= 23?6 = 99?9= 64?8= 25?4 = 22?4 = 75?5= 92+46= 23?3 = 7×( )=49 205?5= 46?7= 23?9 = ( )×7 = 42 46×10= 50?6= 6×( )= 12 24?8 = 8×6= 0?8 = ( )×8 = 24 26?4= 72+19= 36?9= 16?2 = 37?8 = 6?1= 93-39= 19?2= 54?8 = 180?180=