三年级四则混合运算题

三年级四则混合运算 题 快递公司问题件快递公司问题件货款处理关于圆的周长面积重点题型关于解方程组的题及答案关于南海问题 1 . 18 × 2 × 2 + 17 = 24 . 24 × 4 - ( 54 - 51 ) = 2 . 2 × 2 × 4 × 3 = 25 . ( 18 × 4 + 19 ) ? 13 = 3 . 59 + ( 48 - 46 ) × 3 = 26 . 2 × ( 44 + 4 ) = 27 . 67 - 38 - 5 - 18 = 4 . 10 × ( 2 + 7 ) = 5 . ( 37 - 24 ) × 6 = 28 . ( 57 + 21 ) ? 26 = 6 . 44 ? (2 + 9) = 29 . ( 3 + 2 ) × 9 = 30 . 83 - 5 - 16 - 14 = 7 . 66 + ( 49 - 45 ) × 2 = 31 . 4 × 4 + 27 = 8 . 2 × 4 × 2 × 5 = 9 . ( 2 + 34 ) × 2 = 32 . 5 × 4 × 6 - 36 = 10 . ( 9 + 27 ) ? 9 = 33 . 4 × 6 × 2 × 2 = 11 . ( 5 + 2 ) × 2 = 34 . 52 ? (19 + 7) = 12 . 6 × 3 + 10 = 35 . 79 + ( 45 - 44 ) × 8 = 13 . ( 21 ? 3 + 33 ) × 2 = 36 . 2 × 7 × 2 × 3 = 14 . ( 7 × 6 + 32 ) ? 37 = 37 . ( 89- 9) ? 10 = 15 . 98 - 36 - 42 = 38 . ( 24 + 66 ) ? 9 = 39 . 42 + 15 + 7 + 23 = 16 . 45 ? 5 ? 3 + 37 = 17 . 41 + 17 + 4 + 19 = 40 . 31 + ( 74 - 67 ) × 7 = 18 . 4 × ( 36 ? 6 - 5 ) = 41 . 60 + ( 97 - 94 ) × 5 = 19 . 58 - 15 - 42 = 42 . 2 × 2 × 2 × 2 = 43 . 3 + 39 + 54 = 20 . 56 ? ( 55 - 41 ) = 21 . 11 + 31 + 19 + 29 = 44 . 41 - 4 - 6 - 14 = 22 . 8 + ( 69 - 63 ) × 9 = 45 . 8 × 5 + 56 = 23 . 78 ? (17 + 22) = 46 . 49 ? ( 69 - 62 ) = 47 . 22 + 19 + 20 + 30 = 70 . 18 × 3 + 2 × 7 = 48 . ( 38 + 34 ) ? 9 = 71 . 64 ? (5 + 11) = 49 . 10 × 7 + 24 = 72 . 2 × 2 × 10 × 2 = 50 . 54 ? (3 + 3) = 73 . 2 × 4 + 4 × 10 = 51 . 69 - 15 - 31 - 9 = 74 . 54 + ( 47 - 33 ) × 2 = 52 . 7 + ( 22 - 2 ) × 3 = 75 . 61 + ( 48 - 30 ) × 2 = 53 . 3 × 5 + 48 = 76 . ( 49 + 23 ) ? 36 = 5 = 8 - ( 63 - 36 ) = 54 . ( 58 - 53 ) ×77 . 11 × 55 . 3 × 2 × 4 × 4 = 78 . 6 × ( 13 - 10 ) = 79 . 88 - 16 - 16 - 28 = 56 . 42 ? 2 ? 3 + 40 = 57 . ( 36- 4) ? 16 = 80 . 14 × 5 + 4 × 7 = 58 . 10 × 7 + 21 = 81 . 6 × 4 + 8 × 4 = 59 . 99 ? ( 38 - 5 ) = 82 . ( 6 × 9 + 31 ) ? 17 = 60 . 7 ×83 . 3 × ( 30 ? 3 - 7 ) = 3 × 10 + 8 = 61 . ( 49- 25) ? 6 = 84 . ( 44 - 28 ) × 6 = 62 . ( 5 + 26 ) × 2 = 85 . 3 × ( 32 - 28 ) = 63 . ( 95- 63) ? 16 = 86 . 22 × 2 + 4 × 9 = 64 . 18 × 2 - ( 95 - 67 ) = 87 . 80 ? 2 ? 2 + 6 = 65 . 2 × 2 × 7 × 2 = 88 . 5 × 3 × 3 × 2 = 66 . 26 + 6 + 25 = 89 . 94 - 40 - 20 = 90 . 67 + 9 + 8 + 6 = 67 . 5 × 6 × 5 - 93 = 68 . ( 13 + 47 ) ? 15 = 91 . ( 9 + 28 ) × 2 = 69 . 8 × 6 + 49 = 92 . 27 × 2 + 6 × 5 = 93 . 12 × 6 + 10 × 2 = 97 . 13 + ( 24 - 17 ) × 6 = 94 . ( 3 ? 3 + 21 ) × 2 = 98 . 7 × 2 + 44 = 95 . 3 × 3 + 7 × 8 = 99 . ( 78- 58) ? 10 = 96 . 12 × 4 - ( 32 - 7 ) = 100 . 32 ? 2 ? 8 + 66 = 1. 89 24. 93 47. 91 70. 68 93. 92 2. 48 25. 7 48. 8 71. 4 94. 44 3. 65 26. 96 49. 94 72. 80 95. 65 4. 90 27. 6 50. 9 73. 48 96. 23 5. 78 28. 3 51. 14 74. 82 97. 55 6. 4 29. 45 52. 67 75. 97 98. 58 7. 74 30. 48 53. 63 76. 2 99. 2 8. 80 31. 43 54. 25 77. 61 100. 68 9. 72 32. 84 55. 96 78. 18 10. 4 33. 96 56. 47 79. 28 11. 14 34. 2 57. 2 80. 98 12. 28 35. 87 58. 91 81. 56 13. 80 36. 84 59. 3 82. 5 14. 2 37. 8 60. 21 83. 98 15. 20 38. 10 61. 4 84. 96 16. 40 39. 87 62. 62 85. 12 17. 81 40. 80 63. 2 86. 80 18. 4 41. 75 64. 8 87. 26 19. 1 42. 16 65. 56 88. 90 20. 4 43. 96 66. 57 89. 34 21. 90 44. 17 67. 57 90. 90 22. 62 45. 96 68. 4 91. 74 23. 2 46. 7 69. 97 92. 84 22+12×20= 3800,136×9,798= (104+246)×(98?7)= 45×20+100= 918?9×(108-99)= (28+12)×30= (8645+40×40)?5= 30×23,60= 200,15×10= (2944+864)?(113,79)= 28+12×30= 8080,1877+1881?3= 45= (12+20)×(5011,43×85)+3397= (48,12)+6= 2300,1122?(21-15)= 7×8×32= 816?(4526,251×18)= (7353+927)?(801-792)= (25+38)×15= (28+172)?(24+16)= 369?3+127,200×5= 6240?48+63×48= (159+456)?205+146,52= 2100,21×53+2255= 950,28×6+666= (103-336?21)×15= 86×(35+117?9)= 800,(2000,9600?8)= 2500+(360,160?4)= 40×48,(1472+328)?5= 16×4，6×3= (488+344)?(202,194)= 39?3，48?6= 2940?28+136×7= 24×4,42?3= 605×(500,494),1898= 7×6,12×3= (2886+6618)?(400,346)= 56?4，72?8= 2940?28×21= 9125,(182+35×22)= (154,76)×(38+49)= 920,1680?40?7= 690+47×52,398= ，160?40= 50 148+3328?64,75= (58+370)?(64,45)= 360×24?32+730= 120,144?18+35= 347+45×2-4160?52= 2100,94+48×54= 51+(2304-2042)×23= (58+37)?(64,9×5)= 4215+(4361,716)?81= 95?(64,45)= (247+18)×27?25= 178,145?5×6+42= ,720?(360?18)= 64×21?28= 36420+580, 1080?(63-54)×80= 812,700?(9+31×11)= (528+912)×5,6178= (136+64)×(65-345?23)= 8528?41×38,904= 85+14×(14+208?26)= 264+318-8280?69= (284+16)×(512-8208?18)= 120-36×4?18+35= (174+209)×26,9000= 125×3+125×5+25×3+25= 814,(278+322)?15= 1406+735×9?45= 9999×3+101×11×(101-92)= 3168-7828?38+504= (23/4-3/4)×(3×6+2)= 3/7 × 49/9 - 4/3= 796-5040?(630?7)= 8/9 × 15/36 + 1/27= 285+(3000,372)?36= 546×(210-195)?3045×2/3+1/3×15= 12× 5/6 – 2/9 ×3= 7/19 + 12/19 × 5/6= 8× 5/4 + 1/4= 1/4 + 3/4 ? 2/3= 6? 3/8 – 3/8 ?6= 8/7 × 21/16 + 1/2= 4/7 × 5/9 + 3/7 × 5/9= 101 × 1/5 – 1/5 × 21= 5/2,(3/2 + 4/5)= 7/8 +(1/8 + 1/9)= (174+209)×26, 9000= 9 × 5/6 + 5/6= 814,(278+322)?15= 1406+735×9?45= 3/4 × 8/9,1/3= 7 × 5/49 + 3/14= 3168,7828?38+504= 6 ×(1/2 + 2/3)= 796,5040?(630?7)= 8 × 4/5 + 8 × 11/5= 285+(3000,372)?36= 31 × 5/6 – 5/6= 546×(210,195)?30= 9/7 ,(2/7 – 10/21)= = 3/7×49/9,4/3 8/9 × 15/36 + 1/27= 920,1680?40?7= 12× 5/6 – 2/9 ×3= 690+47×52,398= 6? 3/8 – 3/8 ?6= 97,12×6+43= 4/7 × 5/9 + 3/7 × 5/9= 26×4,125?5= 148+3328?64,75= 5/2 ,(3/2 + 4/5)= 360×24?32+730= 7/8 +(1/8 + 1/9)= 9 × 5/6 + 5/6= 2100,94+48×54= 51+(2304,2042)×23= 3/4 × 8/9, 1/3= 7 × 5/49 + 3/14= 4215+(4361,716)?81= (247+18)×27?25= 6 ×(1/2 + 2/3)= 36-720?(360?18)= 8 × 4/5 + 8 × 11/5= 31 × 5/6 – 5/6= 1080?(63,54)×80= (528+912)×5,6178= 9/7,(2/7 – 10/21)= 5/9 × 18 – 14 × 2/7= 8528?41×38,904= 4/5 × 25/16 + 2/3 × 3/4= 264+318,8280?69= 14 × 8/7 – 5/6 × 12/15= 2/9，1/2?4/5，3/8= 17/32 – 3/4 × 9/24= 10?5/9，1/6×4= 3 × 2/9 + 1/3= 1/2×2/5，9/10?9/20= 5/7 × 3/25 + 3/7 = 5/9×3/10，2/7?2/5= 1/5 × 2/3 + 5/6= 1/2，1/4×4/5,1/8= 9/22 + 1/11 ? 1/2= 3/4×5/7×4/3,1/2= 5/3 × 11/5 + 4/3= 23,8/9×1/27?1/27= 45 × 2/3 + 1/3 × 15= 8×5/6，2/5?4= 7/19 + 12/19 × 5/6= 1/2，3/4×5/12×4/5= 1/4 + 3/4 ? 2/3= 8/9×3/4,3/8?3/4= 8/7 × 21/16 + 1/2= 9405,2940?28×21= 101 × 1/5 – 1/5 × 21= 920,1680?40?7= 50，160?40= 690+47×52,398= 148+3328?64-75= (58+370)?(64-45)= 360×24?32+730= 120,144?18+35= 347+45×2,4160?52= 2100,94+48×54= (58+37)?(64,9×5)= 51+(2304,2042)×23= 95?(64-45)= 4215+(4361,716)?81= 178,145?5×6+42= (247+18)×27?25= 420+580,64×21?28= 36,720?(360?18)= 812,700?(9+31×11)= 1080?(63,54)×80= 2/3?1/2,1/4×2/5= (528+912)×5,6178= 2,6/13?9/26,2/3= 8528?41×38,904= 264+318,8280?69= (174+209)×26, 9000= 814,(278+322)?15= 1406+735×9?45= 3168,7828?38+504= 796,5040?(630?7)= 285+(3000-372)?36= 195)?30= 546×(210,