人教版小学数学四年级口算题卡(全套)

人教版 小学 小学生如何制作手抄报课件柳垭小学关于三违自查自纠报告小学英语获奖优质说课课件小学足球课教案全集小学语文新课程标准测试题 数学四年级口算题卡(全套)口算练习23×40=     54÷3=     18×30=     60÷30=    70×50=     250÷50=     14×60=     80÷40=   8×50=     16×30=1.25+2.3=    35.7-2.4=  12.3+4.06=   0.75+0.4=     1.34+0.8=     9.5-2.7=    1.8+8.18=    7.82-7.2=     8.7+0.03=     2.7+3.9=   9.3-8.8=    1.9+25.79=     7.2-2.7=     0.5+2.6=4.5-3.26=    5.1-1.9=     2.2+5.7=     4.8-2.5=  18.3-3.7=    2.9+15.9=     6.3+3.6=      6.7-4.5=   6.8-0.7=     27.3+2.15=     23.5+1.68=      53.16+3.54=  12.3+3.7=    5.3+4.47=     2.8+1.9=       3.2+12.76=  3.25-0.12=     4.5-2.1=     5.8+6.9=       1.5+4.85=  16.8+5.4=     3.6-1.3=     24.6+2.4=        8.1+1.2=  2.45+5.5=    93.1-20.9=     53.4-2.4=        6.6-3.7=  5-0.08=     96.3-56.2=     136.5-105=      73.4+52.1=   79.2+56.8=    7.21+6.9=     1.64+2.35=       6.72-3.28=35.7-2.4=    4.5-3.26=      5.1-1.9=        2.2+5.7=640÷80=  15×5=  23×3=   12×2×5=  480÷80=     16×5=   27×3=  90÷15=  48÷4=   640÷16=39÷3=   24×20= 32×3=   48÷16=   12×8=   27×3=   56÷14=  24÷8=  14×2=   83－45=560÷80=  96÷24=  40÷20=  40×30=   37＋26=76－39=  605＋59=  30×23=  12×8=   27＋32= 48＋27=  4500×20= 73＋15=  120×600= 200×360=6800×400= 280+270=  4×2500=  6000÷40=  5×1280=  310－70=  400×14=  470+180= 1000÷25= 160×600=20×420= 290×300=  8100÷300=7600÷200= 930-660= 7600÷400= 680+270= 980÷14=  4200÷30=  6×1300=  1300×50=200×48=  530+280= 9200÷400=  840÷21=180×500= 8000÷500= 1900÷20= 200×160= 8700÷300=300×330= 3×1400=  7000÷14= 600÷12=  9600÷80=140×300= 8800÷40=  9600÷800= 750－290= 5×490=760×20=  7500÷500= 370×200=  650÷13= 8600－4200=240×4=  640÷80=  15×10=   160×30=  250×6=7200+900= 410-201=  125×8=  48×20=  6600÷600=390+140= 11×80=   24×50=  3600÷400= 4000÷50=4.8-2.5=18.3-3.7=2.9+15.9=6.3+3.6=6.7-4.5=6.8-0.7=0.2-0.09=2+9.1=0.89-0.25=1-0.55=20.22+0.78=2-0.75=5.78-0.24=0.42+10.68=8.34-6.22=6.37+4.55=320X5=    120X8=    9X470=    310X5=    6X150=  390X5=    2X570=    6X270=    270X2=    940X3=700X8=    4X280=    6X660=    2X880=    6X230=  8X800=    7X210=    860X6=    6X930=    480X9=6X280=    240X3=    7X130=    2X450=    9X390=  9X780=    270X5=    5X690=    790X6=    720X9=8X920=    4X980=    340X7=    4X710=    8X730=  900X2=    170X9=    9X970=    4X590=    3X860=290X4=    7X630=    960X7=    860X9=    8X680=  340X2=    5X490=    5X500=    6X470=    560X3=5X300=    5X180=    8X300=    820X8=    9X150=  140X7=    3X420=    480X6=    530X4=    390X2=810X8=    8X180=    2X950=    670X9=    360X9=  400X9=    2X760=    9X350=    430X8=    670X6=850X4=    320X3=    3X550=    4X330=    980X9=  560X6=    940X8=    920X7=    7X510=    200X2=8X490=    7X250=    7X320=    770X2=    2X330=  4X520=    410X9=    730X4=    680X3=    2X180=550X6=    6X970=    2X840=    770X5=    970X5=  5X370=    620X8=    990X6=    4X780=    940X6=27.3+2.15= 23.5+1.68=53.16+3.54= 6.6-3.7=7.2-2.7=   12.3+3.7=5.3+4.47=  2.8+1.9=3.2+12.76= 3.25-0.12=530－70=  420－90=  9600÷30=  7×700=  203+98= 1800÷300= 240+570= 4800÷400=  370+580= 580-490=910－370= 250×8=   270－190= 360×2=  75÷25=  330÷11=  6×800=  5400÷9=  420÷60=  9×800=3×330=  300×7=  9×500=  390÷13=   6300÷700=370＋560=5600÷700= 4800÷12= 3500÷7= 520+490＝450－90＝ 80＋330＝ 70×700＝ 7000÷70＝ 4000÷80＝2400÷200＝420－90＝ 170＋320＝ 1000－51＝520－260＝910－190＝ 35×200＝ 22×200＝ 8800÷400＝ 9300÷300＝ 6×300＝ 1800÷200＝9300÷30＝ 280÷40＝ 304＋199＝390÷26＝ 1250÷50＝ 21×40＝ 6600÷220＝ 760－198＝660－220＝ 5000÷50＝ 100×91＝ 753－299＝7000÷70＝200÷40＝ 180÷30=  240÷40=  35×2=   140×7=  13×6=  280×3=   350×2=  50×11=   250×6=7200+900= 410-201= 125×8=  48×20=   6600÷600= 390+140=  11×80=  24×50=  3600÷400= 4000÷50=530－70= 420－90=  9600÷30=  7×700=    203+98=  1800÷300= 240+570= 4800÷400= 370+580= 580－490=910－370= 25×8=  270－190= 36×2=    75÷25=   330÷11=  6×800=  5400÷9=  420÷60=   9×800=3×330=  300×7=  9×500=  390÷13=  6300÷700= 5600÷700= 4800÷12= 3500÷7=  370＋560= 520＋490=450－90＝ 80＋330＝ 70×700＝ 7000÷70＝ 4000÷80＝ 2400÷200=420－90＝ 170＋320＝ 520－260= 910－190=35×200＝ 22×200＝ 8800÷400= 9300÷300= 6×300＝ 1800÷200＝ 9300÷30＝ 280÷40＝ 304＋199＝ 390÷26＝1250÷50＝  21×40＝ 6600÷220= 760－198=660－220＝5000÷50＝ 100×91＝ 753－299＝  17×40＝ 100－63＝ 75÷15＝4.4+15.99=88-69.21=63.1-11=0.48+0.52= 1-0.98=3.7+4.8=  8.36+0.64=3.6+0.87=8.16+3.7=0.33+9.8=810÷90=   630÷70=100÷20=    720÷90==240÷80=  60÷10=150÷30=    450÷90=360÷90=    210÷70=320÷40=    450÷90=160÷40=    360÷60=180÷90=  150÷50=320÷80=    400÷50=360÷60=    40÷20=720÷80=    480÷80=350÷70=    70÷10= 100÷50=    640÷80=80÷40=    100÷50= 200÷40=  300÷60= 140÷70=    540÷90= 160÷40=    240÷40=180÷60=    630÷70=540÷60=    360÷30=400÷50=  180÷90=180÷30=  480÷60=400÷50=  80÷40=570÷30=    720÷60=900÷30=    160÷80=420÷70=6)960÷60=    7)420÷60=    8)900÷50=    9)420÷10=    10)620÷20=11)240÷80=    12)400÷40=    13)630÷30=    14)950÷10=    15)740÷10=16)840÷30=    17)680÷40=    18)822÷6=    19)380÷20=    20)620÷10=21)300÷50=    22)140÷70=    23)300÷10=    24)940÷10=    25)360÷40=26)840÷30=    27)680÷40=    28)822÷6=    29)380÷20=    30)300÷50=31)850÷10=    32)960÷6=    33)990÷90=    34)210÷10=    35)240÷60=36)530÷10=    37)300÷50=    38)850÷10=    39)960÷6=    40)990÷90=41)210÷10=    42)300÷50=    43)960÷80=    44)180÷90=    45)300÷50=46)960÷80=    47)180÷90=    48)980÷70=    49)240÷80=    50)280÷40=51)980÷70=    52)400÷80=    53)970÷10=    54)270÷30=    55)1000÷50=56)400÷80=    57)970÷10=    58)270÷30=    59)1000÷50=    60)670÷10=61)180÷30=    62)220÷20=    63)490÷70=    64)350÷10=    65)990÷10=66)860÷20=    67)960÷30=    68)880÷40=    69)480÷20=    70)670÷10=71)180÷30=    72)220÷20=    73)490÷70=    74)350÷10=    75)990÷10=76)860÷20=    77)680÷20=    78)300÷60=    79)900÷10=    80)900÷20=81)770÷10=    82)690÷30=    83)990÷6=    84)950÷50=    85)60÷30=86)260÷10=    87)540÷60=    88)580÷10=    89)260÷20=    90)680÷20=91)300÷60=    92)900÷10=    93)900÷20=    94)770÷10=    95)690÷30=96)990÷6=    97)950÷50=    98)360÷60=    99)470÷10=    100)1000÷10=54090=    47)40/20=    48)60/20=    49)90/10=    50)140/20=51)270/90=    52)630/70=    53)270/90=    54)250/50=    55)490/70=56)420/70=    57)40/10=    58)90/10=    59)100/20=    60)20/10=61)200/50=    62)630/70=    63)420/60=    64)270/30=    65)720/90=66)30/10=    67)320/40=    68)630/90=    69)60/10=    70)270/30=71)350/50=    72)360/90=    73)140/20=    74)450/90=    75)140/70=76)160/20=    77)420/60=    78)300/60=    79)80/20=    80)160/80=81)40/20=    82)560/80=    83)450/90=    84)320/40=    85)450/90=86)80/20=    87)40/10=    88)200/40=    89)270/30=    90)630/70=91)140/20=    92)540/60=    93)300/50=    94)360/40=    95)540/60=96)720/90=    97)150/30=    98)210/70=    99)360/40=    100)420/60=12.3+4.06=0.75+0.4=1.34+0.8=9.5-2.7=1.8+8.18=7.82-7.2=8.7+0.03=2.7+3.9=9.3-8.8=1.9+25.79=7.85+3.4=3.07+3.65=1.83+2.7=  13.8+9.9=4.29+2.1=  8.3-2.63=1.7+0.43=  5-0.44=12.6+3.42= 19.8-5.6=14-0.14= 4.64+15.36=0.99+1.8= 2.56-0.37=3.9+2.03= 2.14-0.9=7.55-4.1= 0.87+5.68=13.3-5.28= 7.87+5.66=62.3-1.25= 5.7-0.93=10.5-3.25= 6.4+1.89=4.1+28.9= 25.13-1.8=5.87+35.26= 3.08+5.83=5.62-4.2= 16.52-1.08=35.85+8.04=30.07+39.65=11.83+62.7=3.8+9.9=54.29+27.1=98.3-2.3=10.7+0.93=5.64-0.44=1.6+68.42=85.8-56.6=20.2-7.09=24+9.18=10.89-10.25=1.1-0.55=2.22+0.8=2.2-0.75=54.78-10.24=50.42+20.98=2.34-1.2=66.37+8.5=8.02+15.28=108.5-35.05=0.32+1.57=9.25+2.25=9.23+4.52=24.8+1.46=5.58+1.89=0.78+2.2=0.8-0.45=6.45-3.29=92.7-0.05=87.68-20.7=75.8-17.5=42.5-23.65=56.2+9.38=67.3+23.92=4.72+8.49=5.63+1.27=9.06-1.59=7.95-4.9=8.02+5.08=18.5-5.07=4.32+18.7=5.65+8.95=7.3+49.52=54.8+9.4=6.8+89.8=0.78+2.2=0.6-0.59=66.5-3.2=55.63-5.6=11.3+80=15.6-4.4=8.4+35.76=8.8-2.69=62.9-2.17=6.08+12.3=3.9+1.32=15.78+23.9=4.5-1.5=3.7+7.25=64.79-8.67=5.3+19.45=4.86-0.42=3.06+8.45=4.64+2.36=7.8+45.22=1.8+5.75=0.63+4.5=29.9+5.6=4.78+3.94=98.8+0.08=47.3+5.04=33.1-7.65=6.07-5.63=56.3-28.7=1.62-1.58=2.15+10.86=81.1-14.9=4.2+3.76=12.7-0.55=7.68-2.74=5.58-1.75=12.45-0.65=6.32+8.3=27.3+73.2=4.22+8.46=5.63+1.25=9.36-1.59=7.65-4.19=3.9+7.5=16.9-1.79=5.63+9.5=4.6-0.52=3.56+5.75=2.64+2.36=76.8+5.2=1.5+5.5=0.68+4.85=39.7+5.06=2.42+0.59=57.5+1.36=6.09+8.04=4.98+1.89=6.4+53.6=32.01+5.05=24.4-15.5=3.6+20.02=41.2-2.66=4.4+7.68=92.7-0.05=87.68-20.7=75.8-17.5=42.5-23.65=56.2+9.38=67.3+23.92=4.72+8.49=5.63+1.27=9.06-1.59=7.95-4.9=2.42+0.59=57.5+1.36=6.09+8.04=4.98+1.89=6.4+53.6=32.01+5.05=24.4-15.5=3.6+20.02=41.2-2.66=4.4+7.68=55.63-5.6=11.3+80=15.6-4.4=8.4+35.76=8.8-2.69=62.9-2.17=6.08+12.3=3.9+1.32=15.78+23.9=4.5-1.5=4.78+3.94=98.8+0.08=47.3+5.04=33.1-7.65=6.07-5.63=56.3-28.7=1.62-1.58=2.15+10.86=81.1-14.9=4.2+3.76=2.32+0.59=6.5+18.9=6.9+8.4=4.9+1.87=6.5+13.56=33.51+5.5=48.43-15.65=3.36+0.92=41.92-2.6=4.5+17.58=5.63-5.21=1.3+8.56=14.6-0.34=8.24+3.76=8.88-2.69=42.5-22.17=6.2+12.63=3.8+1.37=15.28+28.99=4.65-1.15=4.08+3.96=28.8+3.58=45.03+5.4=34.71-5.65=68.07-5.63=6.3-2.07=51.62-16.58=22.15+16.96=51.16-14.6=4.6+3.76=3.94+35.6=41.43+22.68=7.08+28.95=28.3+1.95=19.29-9.3=6.8-5.05=25.63-7.52=25.9+31.1=99.1+1.9=35.5+25.4=32.5+6.84=35.43-15.3=101.7-81.65=17.26+56.17=53.69+39.05=8.99+58.06=26.5-15.7=27.37+6.58=50.43-34.4=13.29+25.58=四年级口算（七）11.3+31.25=9.37-6.8=44.9-31.9=20.1-19.9=71.4+22.57=7.06+2.87=0.8+82.2=2.55+9.45=51.9-21.8=29.4-8.83=四年级口算（八）5.12+7.84=7.56+4.36=81.9-56.45=35-15.6=18.26+3.8=71.05+2.25=40-27.35=16.09+7.01=3.46+5.05=11.16-2.36=145.8-15.3=128.9-17.7=35.5+41.9=13.56+24.44=33.8-25.6=158.3-38.2=4.97+7.29=18.9+27.1=0.9+121.1=96.7+16.3=23.5-4.05=5.4+73.65=1.8+3.09=75.9-38.7=51.2-11.2=22.13+4.07=76-47.88=39.1+2.09=48.6-47.9=1.6+20.47=211.9-11.8=31.7+57.7=9.81-0.09=28.23-2.02=198.3-25.1=132.8-59.8=91.9-21.1=9.28+1.69=59.9+41.1=97.8+14.55=29.8-3.5=57.62+5.5=0.95+9.65=36.9+6.1=30.5-15.6=9.05-3.4=26.7+13.3=41.9-5.8=16.89-2.46=85.6-45.1=7.94+18.5=4.28-1.93=9.53+3.3=36.1-31.4=5.02+3.73=44.6-15.15=21.2+58.36=9.07+48.1=17.6-6.29=13.47+85.4=3.29+12.5=62.3-33.75=4.83+10.51=13.98+16.3=6.03-3.7=9.84-2.77=8.15+32.5=35.82-5.67=5.69+17.2=4.25-2.11=四年级口算（九）80.09-14.49=11.89+7.74=8.41-1.16=4.05+44.83=57.63-40.43=25.54-17.32=4.46+36.8=25.64-5.01=34.9+35.5=74.32-8.75=四年级口算（十）5.93+6.13=37.5-4.06=10.73-2.19=14.01+3.99=8.63-7.73=27.9+25.55=11.43+8.34=26.8-17.06=67.1-49.05=13.74+9.53=7.25+5.23=3.84-3.48=9.15-7.4=4.42+16.34=33.46-16.06=8.74+13.82=3.36-3.29=46.1+6.95=17.01-3.72=29.22+6.33=83.2-7.9=47.2-19.6=39.8+6.79=9.11+15.9=85.2-59.3=3.17+5.6=6.9-1.15=8.75+6.7=4.78+19.4=43.2-35.5=4.47+9.64=69.2-30.4=16.08+7.78=12.25-7.62=36.28+24.9=51-35.6=6.11-2.2=4.86+17.4=65.16-30.01=34.9+9.09=3.92-2.1=16.3+28.1=3.57+11.5=34.1-12.05=10.37+8.6=39.5-7.2=28.04-5.8=2.37+6.94=61-10.7=8.46+5.38=5.36+4.1=14.8+16.2=15.16-2.4=16.18+45.96=0.51+2.86=11.52+22.74=31.26-2.9=32.6+5.97=31.28+13.82=22.81-10.92=50.36+15.63=2.6+16.44=21.55+20.6=5.66+1.44=1.69+5.88=51.26+5.8=27.3+4.4=53.6-16.83=22.54+6.66=13.2-1.66=四年级口算（十一）24.5-1.9=51.62-2.8=23.4-12.48=4.56+12.56=46.25-5.6=23.56+12.45=22.11-3.87=63.25-7.78=24.26+15.83=18.37+15.7=四年级口算（十二）1.83+9.26=13.02+5.99=31.24-16.5=10.33-7.7=16.5+43.25=60.03+19.57=16.59-1.66=43.33-5.6=28.16-6.9=38.19-2.6=13.8+37.85=17.51-3.6=55.16-22.37=2.37+1.68=73.28+1.44=30.73+9.5=13.6-12.69=41.52-23.51=23.6-1.77=30.26-16.45=2.77-1.78=16.73-8.16=36.45+17.49=29.4-1.66=43.16-8.8=26.5-13.66=55.1-44.9=36.45+3.55=6.69+1.8=55.33-6.9=20.88-19.5=12.34+23.45=32.14+5.6=47.11-28.22=25.36-23.79=5.3-2.89=2.09+43.6=16.25+8.67=13.44-2.48=49.2-13.61=13.16+8.48=11.04+6.98=1.3+9.77=7.8+13.22=16.88-7.91=31.55-8.6=3.68+16.33=15.6+15.06=15.32-6.83=38.38-46.46=12+8.2=25.7-6.2=3.48+6.6=2-1.07=2.31+8.49=23-0.3=11-1.1=17.3-0.6=8.8+32.2=7.6+3.12=2.3+26.52=16.4-3.5=9.9+2.01=1.9+9.3=2.3+4.5=2.4+5.27=1.4+46.6=3.6+23.9=4.09+2.6=6.9+2.01=四年级口算（十三）31.9-1.8=9.7+32.3=51.2+0.12=2.34+3.4=0.11+4.2=8.12-0.82=31.8-0.9=42.9+6.5=5.36+6.7=4.4+6.57=四年级口算（十四）3.5+16.8=2.5+7.05=4.5-3.9=3.07+4.98=7.6-3.26=4.9+24.1=3.7-0.07=9.7+3.03=2.8+4.08=5.4+8.7=6.87+2.2=5.3+23.7=9.5-0.05=0.34+12.6=8.9+0.21=4.6+23.45=1.09+9.6=8.7+9.6=34.7+3.3=8.4-4.6=25.8-4.5=3.1+3.9=7.5+41.5=6.12-6.1=64.7+0.5=31-0.8=22.8+4.9=7.6+1.9=2.5-0.05=3.6-0.09=3.9+8.1=9.8+1.6=11-0.67=3.3+7.68=6.5+6.05=5.9+3.1=6.1+3.8=5.4-4.6=2.13+2.7=4.9+2.6=15-1.6=1.02+2.8=5.3-3.5=4.4+1.6=6.06+3.4=35.4+7.6=7.7-0.8=18-0.9=3.3+3.06=5.4+2.66=5.86-0.8=10-0.25=5.5+5.75=6.1+1.9=0.7+30.5=2.5-1.3=15.4-0.6=4.3+5.6=1.8+5.57=10.6-0.3=6.3+4.56=25.4-3.5=19.8+3.3=6-0.35=7.3-0.7=2.5+5.63=13.4+6.5=18-0.8=2.4-2.02=1.6+21.34=四年级口算（十五）3.3+4.5=2.5+0.75=5.4-0.3=9.2+0.08=12.5-6.5=7.1+42.9=5.6+5.5=3.2-3.01=6.45+2.5=2.9+1.2=四年级口算（十六）5.3+23.7=10.2-0.5=1.4+6.06=47.9-10.9=2.3+8.77=11.2-2.4=38-16.5=9.9+12.1=29.8+10.2=17.8-2.9=2.3+0.07=6.04+3.96=7.2-6.8=10-3.5=3.4-2.9=13.6-8.6=27.6-6.6=8-0.4=7.7-3.9=5.8+3.2=0.8-0.3=6.25-3.2=18-0.58=13.8+1.9=41.5-3.8=3.56+6.4=41.5+3.7=4.7-2.65=43.19+5.1=52.7+7.53=1.23+0.77=4.3-3.4=1.39+8.7=1.81+3.3=8.9+2.1=3.6-24.8=1.72+6.7=12-1.2=9.5+0.9=5.9-2.2=25.3+6.6=16-0.53=37.5+4.61=7.58+0.3=12.5-2.7=10-7.6=22.9-2.8=1.18+20.9=56.8-3.9=35-4.5=2.5+9.45=6.35-1.5=53.6-15.4=8.08+2.02=4.19-2.1=2.27-0.5=3.12+5.19=37.15+2.85=5.41+42.6=45.2-15.2=14.41+2.09=26.1-19.4=6.45+25.3=14.29+5.11=37.15-45.02=12.5+5.64=23.05-16.02=5.93-3.6=11.3+23.65=9.17-5.06=四年级口算（十七）45.1-25.1=9.58+4.3=26.1+4.59=4.6+18.67=4.85+2.5=3.3+9.8=34.5-21.6=8.66-2.46=28.5-3.8=25.6+14.4=四年级口算（十八）75.6-26.4=3.07+20.5=20.3-17.1=24.3-12.24=28.25+3.15=31.26-12.5=4.66+12.4=16.72+0.6=30.1-10.05=23.9+7.88=25.4-6.2=7.51+3.8=8.46-5.41=42.1-6.1=6.55-4.24=5.09-3.4=24.1+12.34=3.94+6.2=8.38+34.12=12.6-2.5=2.95+7.3=6.19+9.24=36.56-21.4=6.03+7.57=6.92+15.5=10.7-5.8=13.9+3.01=25.8-5.6=15.3+22.41=14.65+2.1=1.23+5.64=48.5-6.4=15.9+4.5=6.49+42.8=3.69+4.5=1.89+4.3=21.56-2.4=56.4-26.3=18.31-5.01=11.6+35.45=7.55+16.3=54-23.6=13.8+3.2=35.12-4.1=36.56-12.5=21.5+11.65=16.8-6.5=29.4+0.06=19.28-8.25=23.7-11.9=31.6-5.8=27.3+0.85=31.1-19.6=13.55+0.65=4.37+25.8=2.21+27.3=33.7-23.5=12.86-5.6=23.89+1.01=25.92-15.8=28.08+12.2=33.5-12.7=1.28+26.5=3.61+36=20.1+0.21=25.67-5.6=13.2+5.9=13.25-3.2=9.95+0.65=3.64+38.5=四年级口算（十九）5.04+12.7=42.6-24.6=6.98+22.4=41.8-30.7=7.43+34.8=15.85-12.21=10.95-7.65=2.14+20.3=5.07+35.23=36.1-18=四年级口算（二十）23.2-16.5=26.3-25.2=36.85-12.5=20.09-19.9=39.69+20.11=5.4-4.8=20.3+19.2=0.01+9.99=20.18-5.05=7.85-2.34=6.71+14.9=29.4-7.8=1.84+30.5=36.87-3.6=43.8-34.5=7.44+0.66=15.9-7.52=9.45+13.6=42.94-31.6=6.45+8.7=15.9+6.1=0.23+12.5=6.28+22.9=0.98-0.24=36.8-4.2=10.12-0.21=16.14+23.86=0.12-0.01=11.48+0.02=13.52+0.7=22.95-10.6=3.65+34.6=5.18-3.08=6.07+30.5=12.32+5.6=5.71+23.6=4.57+0.03=28.6-12.5=18.6-5.5=24.33+12.5=2.65+3.45=25.89-12.8=7.5-2.9=66.6+33.4=18.2-0.18=19.13-16.11=25.76-15.6=18.16-0.61=13.96-2.9=51.1-2.1=4.15-3.45=56.23+12.89=18.08+22.9=11.07+13.93=30.5-6.57=23.05+45.1=20-12.25=60-32.5=3.45+12.95=66.25+33.75=24.8-11.6=10.07+3.93=8.9+4.35=40.9-20.09=43.17+2.9=25-4.54=14.6+4.56=5.76+3.42=4.49+4.11=6.5+5.8=四年级口算（二十一）23.1+45.09=11.2-4.8=13-4.23=12-4.55=8.99+2.11=19.02+6.9=6.45+3.95=31+8.1=2.45+35.5=1.98-0.89=四年级口算（二十二）11-4.5=6.3+4.07=60.75+3.25=13.5+11.25=30-5.55=12.48+3.45=12.45-0.65=3.69+6.31=5.9+4.13=4.24+3.56=15.8+11.9=43.02-15.9=6.25+13.75=2.75+7.35=10.45+3.55=3.5+45.9=20.17+20.71=4.67+3.33=21.7+9.3=20.5-4.6=2.12+3.88=9.8-3.28=20.78+4.66=20.4+5.6=13.8-4.2=5.12-4.22=7.45+1.89=7.24+12.6=23.88+10.2=11.8+40.2=2.07-1.98=10-7.98=2.34+19.78=31.44-5.64=98.1+10.2=11.2-4.9=34.2+2.9=12.8+13.23=6.08+3.94=12.65+0.35=2.03+12.5=6.35+3.75=3.67+45.03=4.6+3.04=3.89+2.11=8.97+3.03=6.84-4.44=6.12+5.78=5.64-4.34=60.2+5.34=40.5-4.05=54.3+44.53=54.12+3.89=3.56+6.12=4.37+6.33=6.45+4.3=6.34+6.66=12-5.88=6.4+34.5=12.3+5.6=5.28+16.14=30.5+9.6=2.36+7.59=13.16+53.59=43.16+3.77=5.58-2.19=43.21-12.34=16.55+2.9=7.77+13.33=13.32+7.6=四年级口算（二十三）10.8-4.9=3.08-2.88=3.4+2.89=6.78+5.43=4.32+60.7=8.9+1.1=5.2+6.82=50.12+4.78=60-4.34=8.98+4.23=四年级口算（二十四）46.11-26.52=27.31-18.27=34.12-16.5516.7-8.86=50.55-18.67=22.68-8.86=26.71+16.8=24.56-7.66=16.46+27.82=43.52+8.86=3.67+50.3=35.46+10.44=30-6.45=45-4.05=34-5.2=43.1+5.09=53.2+1.2=4.4+6.41=45.23+1.67=40-5.7=23.4-16.8=26.43+16.56=12.34-1.23=25.26-8.9=43.73+17.62=17.3-8.74=15.84+9.99=16.73+8.3=13.75+3.84=23.01-8.3=12.3+4.5=4.53+11.4=46-4.6=31.2+38=3.45+25.5=4.23+7.21=39-4.9=39-12.5=6.8+54.2=5.6+56=21.21-19.12=24.82+16.18=5.86+18.59=2.28+37.8=15.8-14.79=27.19-5.56=19.89-8.26=49.23-7.76=35.59-16.6=5.79+16.76=4.8+7.6=25.4-7.3=1.72+3.5=8.9-4.6=26.3-10.5=2.5+4.9=11.8+9.3=3.12+6.9=0.74-0.4=8.5-6.8=4.3-2.1=6.2+7.8=6.45-4.8=5.97+25.4=3.1-0.7=4.12-3.76=1.14+3.08=1.06+5.08=0.07+2.18=35.3-4.7=四年级口算（二十五）4.9-3.5=5.01+6.4=8.34-5.6=6.7+2.1=6.04+3.08=3.58+95.7=4.05-2.4=5.07+1.8=9.27-6.5=18.7-3.9=四年级口算（二十六）5.7-0.63=8.8-4.3=3.07+5.09=5.8-2.9=5.9+0.5=0.09+1.23=5.5-1.9=0.02+1.19=6.2-3.5=3.65+4.73=2.17-1.05=7.51-8.3=5.6-2.57=8.4-5.05=5.98-3.9=2.06-8.01=5.05+6.09=5.4-3.08=5.3-8.4=5.96+9.7=4.8+7.6=5.4+7.3=4.95+16.2=6.3-4.4=21.2-3.9=2.56+4.18=8.6-4.8=7.04-3.18=3.12-0.09=4.97+0.15=5.8+3.39=3.3-7.6=2.1-0.07=0.6+1.8=7.4-0.9=4.5-0.67=9.1+4.8=7.2+3.9=6.09+93.5=22.5+4.7=6.9-3.6=7.1-3.6=8.8+9.4=8.5-6.7=8.4-1.02=0.08+5.03=1.04-0.08=4.2+3.59=6.37-5.6=27.6-2.5=17.25+3.3=4.04-1.1=75.06+1.9=2.5+44.85=19.8+5.42=32.6-5.3=44.6+4.4=2.1+1.2=67.45+5.5=21.5+2.35=30.1-20.9=23.4-2.48=5.9-0.08=6.3-5.29=6.5-1.53=7.4+5.16=7.2+6.8=7.21+6.97=21.64+24.5=64.2-3.22=四年级口算（二十七）60.7-2.88=98.5-28.6=60.1-7.9=8.92+5.7=98.8-4.5=98.3-67.7=9.9+43.9=3.3+89.6=2.77-1.5=4.78-0.77=四年级口算（二十八）20.2-7.09=24+9.18=10.89-10.25=1.1-0.55=2.22+0.8=2.2-0.75=54.78-10.24=50.42+20.98=2.34-1.2=66.37+8.5=67.3+10.5=1.5+10.68=53.13+2.4=6.3-3.85=78.2-2.4=10.3+87.97=98.3+4.7=5.8+27.9=34.2+12.8=37.25-13.12=46.4+15.99=8.8-6.21=6.1-1.1=10.48+0.2=1.41-0.98=83.7+4.8=88.36+0.65=63.6+9.87=86.16+3.77=60.33+9.8=30.96-4.9=9.5+0.74=81.4+10.8=10.5-2.7=36.8+0.8=0.82-0.28=5.7+10.03=86.7+35.9=7.3-3.78=56.9+2.79=35.85+8.04=30.07+39.65=11.83+62.7=3.8+9.9=54.29+27.1=98.3-2.3=10.7+0.93=5.64-0.44=1.6+68.42=85.8-56.6=1.4-0.14=64.64+36.36=40.99+61.9=54.86-7.77=34.9+7.08=5.14-0.99=7.5-4.18=0.7+5.4=83.3-5.8=7.81+5.6=65.3-1.75=8.7-0.98=0.5-0.03=5.4+3.86=4.3+20.9=22.1-1.88=5.27+34.2=3.38+51.3=5.22-4.26=16.22-1.8=