小數(shù)除法計算題500道(口算300道+豎式200道)及答案

小數(shù)算題道算道豎式道含案共小）1．4.8÷7.5﹣0.75÷3.5×10÷10﹣0.6×4÷1.8×0.4×2．2.1÷2÷1÷7÷5.3÷0.1÷0.25×6.5﹣1.26÷0.54÷6=3數(shù)30.2÷0.01÷0.72÷4.8÷1÷10﹣1.25×4．0.9÷7.2﹣0.05×0.74×0.25×4÷0.25×3.1÷1.32+8﹣6.250.4×2.7×5．6.3÷1.8×2.5×0.5×6.直寫得．6.4÷3.6÷10=100×4.5×0.2=11﹣7．得．5.6÷6.822.5×1﹣9.15÷1.8÷0.1=12.5×0=8．得數(shù)1.4×2.80÷10=2.4÷100=0.33×90÷6=0.025×100=90÷100=9×．直接寫得數(shù)．÷0.01=0.22+0.8=10﹣2.05=4÷0.25=0÷19.8=0.2×0.05=1.36+3.64=0.4×0.25=10．直接寫得數(shù)0.25÷0.5=1.25×4=1.6÷0.4=6=5.6÷7=11．直寫數(shù)．5.09÷10=12.5×0.8=0.5÷0.25=45.6÷1=32.1×0.2=0.25×6=0.4×0.5=0.54÷0.9=10.2÷0.01=12.5×0.8=12．口算4÷5=1.8÷0.03=75÷2.5=0.2×25.4=3.6+4.4=10﹣5.2=3.4×0.2=7.8÷6=13．直寫得數(shù)3.6÷0.3=6.3÷7=5.6×100=0.25×4=0.56÷28=36÷0.9=0.64+0.8=0.72×3=1.2×20=7÷5=6.12÷0.5=2.9÷5÷0.2=14．口算3.4÷2=2.7÷0.3=0.42÷6=4.12×2=6.3÷0.9=1.53+2.4=4.8×0.5=6.4÷80=40×0.41=30.9×9=10×4.1=4.6÷0.5=15．直寫數(shù)．0.25÷5=0.72÷0.9=3.145×100=7.2÷3.6=1÷50=12.4÷4.1=0.01+0.99=7.6÷7.6=1.25×4=50﹣0÷2.5=16．直寫數(shù)0.35÷5=0.3×2=0.3÷0.2=0.7×0.9=0÷7÷3=2.4×5=4.9×0=2×0.45×5=17．口我棒．0.64÷1.6=1.4×0.5=0.72÷0.9=10.9﹣8.9=2.7+7.2=0÷1.5=2.7×0.3=24÷0.3=4.3+2.7=200×0.07=0.25×4.9=4÷0.8=18．直接寫得數(shù)0.8÷10=25+8=187÷1000=0÷58=237﹣9=257+0=0×0.008=0.001×100=6.0805×1000=24×5=19．直接寫得數(shù)．0.63÷9=5.4÷1.45=0×4.65=3.5÷0.7=1÷0.25=4×0.5=0.1÷0.05=3.3÷0.1=2.7÷0.90.36÷0.12=0.14÷2=9.6÷6=20．直接寫得數(shù)．8.4÷4=3.6÷0.2=0.72÷90=1.1×0.8=0.56+4.44=1.25×5×8=2.9+3.7+2.1=7.6×8+2.4×8=0.4×0.25=21．請你直接寫出得數(shù)4.8÷0.8=7.5﹣0.45=5.7+3.3=1÷0.25=6.2÷0.62﹣1=0.75÷1.5=0.2÷4=0.21×4=1.2×60=5+3.2÷0.8=22．直接寫出得數(shù)．0.72÷0.9=23.7+2.63=4.8÷0.4=0.5÷2=6.5﹣5.6=1÷0.25=8÷0.8=10÷4=0.4×0.8=0.48÷0.8=0.35×4=0.3÷0.15=23．直接寫出得數(shù)1.2÷0.4=2÷8=4÷0.5=0.72÷4=0÷5.32=3.6+1.8=1﹣0.73=0.24÷0.6=6.4÷1.6=0.125×80=0.5×0.8=13.2÷0.6=24．直接寫得數(shù)．2.5÷0.5=0.42÷0.6=3.5÷0.01=0.54÷0.6=0.8﹣0.35=0.25×4=12.5×0.8=0.2×50=0÷3.68=0.3×0.2=25．直接寫出得數(shù)．0.56÷0.7=0.6+0.65=3.9÷1.3=12÷0.03=5.2÷0.13=99×1.01=13.5﹣2.8﹣7.2=25×0.32×125=26．口算3.6÷1.2=8.1÷9=4.8÷0.6=1.25×8=99÷0.9=25÷0.05=88÷0.008=1÷2.5=27．直接寫得數(shù)．0.64÷0.32=0.7×1.2=7.2÷）=40×0.25=0÷4.8=2.9÷2.9=0.3×0.6=0.07×50=100×0.07=22.1×1=28．口算0.02×0.1=﹣4.3=36÷．．3.6÷4=4.8÷0.4=1÷0.25=30．接得．6.4÷8=9.8÷0.14=4.8÷0.63÷9=8.7÷29=0.99÷9.9=5.5÷13.8÷6.9=31．接出數(shù)．0.56÷8=0.07×10=3﹣1.9=2×0.1=51÷0.3=9×10.02≈12.1÷3.9≈6÷≈32．接出數(shù)．6÷3=7.8÷6=9.9÷9=56.7÷7=8÷4=3.9÷13=3.6÷12=8.1÷27=0.04÷2=4=1.25÷5=7.5÷0.05=33．算1÷0.25=0.78÷6=2.4÷24=6.6÷0.6=5÷0.5=34÷0.2=0.8×7=8×0.6=70×0.12=34．直接算出得數(shù)．2.1÷2=3.8+1.02=7.5×0.4=2x﹣0.7x=10÷8=0.8×0.6=9.6÷0.06=3.57÷0.7=4.5+0.76=35．直接寫出得數(shù)．22.4÷4=0.21÷7=5.6÷7=1.2×5=42÷3=6.12÷0.6=0.54÷6=38.5÷5=24÷0.8=36．直接寫出得數(shù)．1.6÷0.4=4.2÷0.01=2﹣3.6÷1.8=4÷5=4.6÷0.46=5.4÷1.8=0÷21.3=37．口算1.2÷3=4.6÷23=6.8÷4=0.72÷12=0.72÷4=5.2÷13=12.5÷5=0.12÷5=38．直接寫得數(shù)．56÷100=1.29﹣0.29=0.56×100=5.35+2.5=0.625×100=5﹣2.1=359+402=18.6﹣7=8.07×10=3.5+0.9=1.2+0.08=4×（25×14）=7.34×0=3.31+1.2=25×4÷25×4=0.25+0.2+0.75=39．口算0.42÷0.6=5×0.6=2.4÷0.24=1.25×2.3×8=7.8+1.2=10÷0.1=0.1×0.1=2.5﹣2.5×0.4=40．直接寫出得數(shù)．10﹣9.9=0.67+0.3=8.9×100=2.5×4=8÷16=1.04÷2=9.1÷7=1.5×8=0.25÷8=0.05×300=0.45÷9=0×5.8=4×8×0.25=41．口算．2.4÷2=48÷0.6=0.24÷0.2=4.8÷6=2.4÷0.2=4.8÷0.6=9.6÷0.3=96÷3=42．直接寫出得數(shù)16÷5=22÷4=48÷100=12.6÷3=6.06÷6=35÷70=95÷5=1.3×4=12.6÷0.6=1.8÷6=43．直接寫的數(shù)0.75÷0.5=1.6÷0.4=7÷3.5=16.8÷0.4=2.8÷0.28=0.5÷0.25=44．口算下面各題．5.74÷10=4.2÷0.07=0.16×4=0.4÷0.8=1.2×5=0.64÷2=0.56÷0.7=0.6+0.65=3.9÷1.3=45．計算．12.8÷4=31.5÷5=39.6÷4=97.8÷6=11.7÷3=29.4÷2=83.5÷5=95.2÷4=67.8÷2=46．口算：0.96÷8=0.01=0.2÷0.05=0.36÷0.18=5.1÷1.7=0.54÷0.6=0.24=10﹣0.92=0.9÷45=2.5×4=47．直接寫出得數(shù)．2.5×4=10÷0.1=2.8÷0.4=4.5÷0.15=7.2÷0.9=1.5×6=15÷0.5=5÷2=1.2÷0.03=1.3×3=48．直接寫出得數(shù)．0.3+5.7=1﹣0.6=3.3+5.6=0.25+5.75=5.3+50.7=0.4﹣0.35=1﹣0.04=8+50.28=0.9﹣0.7=10﹣9.9=8.6×100=148.3÷100=49．直接寫出得數(shù)．6÷1.2=0.72÷0.9=2.6÷13=4.8÷0.4=4÷4=0.78÷6=7.2÷0.4=1÷0.25=7.1×0.4=4.5÷0.15=1﹣0.07=0.42÷0.7=50．直接寫得數(shù)0.29÷100=5÷1000=19+0÷19=423﹣（100+23170×100=320÷100=90﹣26﹣13=0.56×100÷1000=0.26×1000=24×99+24=38﹣25+12﹣25=500÷100×1000=二．小1豎．0.51÷98÷1.7=算：2．用式算★驗，不的留兩?。?.092÷0.42=1.4=3．69.02÷46.8÷（）4．2.05÷÷）4.2÷0.284.2÷1.32（得數(shù)保留三位小數(shù)）5．用豎式計算．117.3÷0.4624×0.3740.32÷l.68．6．豎式計算2.1÷0.7=7÷0.35=7.2÷7．2.76×24=0.28=8．豎計．220.5÷15=（乘驗）留兩小數(shù)）6.3÷0.125=0.84×1.65=9．列豎式計算得數(shù)保留兩位小數(shù)）33.6÷560.287.12÷4.13÷．10．豎計算．12.4÷4=45.9÷0.6=51÷0.3=52.8÷12=75.6÷0.18=9.6÷0.32=11．用式計算13÷2.50.95保兩數(shù)）2.05×0.16（算）數(shù)表）．．豎計帶的驗．1.25÷78.6÷?。?.63÷兩）*0.303÷13．列豎式計算（帶★的保留兩位小數(shù)）★1.57÷★0.58×0.2470.7÷33商用循環(huán)小數(shù)表示）14．豎計算（得數(shù)保留小數(shù)）★的驗算★64.8÷1.8≈★﹣6.69≈15．式算要驗）9.4÷11=14.2÷16．75.6÷25.6÷5.63÷留））．．30÷7）數(shù)））18．用豎式計算（1）6.21÷0.03=（2）10.8÷45=（）8.54÷0.7=（472.9÷0.9=19．豎式計算④題驗算）①50.96÷6.5②9.25÷3.7=③15÷74④6.72÷4.2=20．用豎式計算（1）1.25÷0.25=（2）8.4÷0.56=（3）8.54÷0.7=（驗算）環(huán)小數(shù)表示）21．用豎式計算．4.5×0.18=驗算：70.3×3.6=5.06÷22．式（帶*數(shù)保兩位）2.6×0.2529.9÷．23．列豎式計算（除不盡的保留兩位小數(shù)）①24.6÷0.16；②13.9÷6；③0.325÷1.5；④6.24÷0.8；⑤18.3÷4；⑥19.2÷6．24．用豎式計算，并指出哪些是循環(huán)小數(shù)．7.05÷0.941.71÷3.84.83÷0.75.7÷938.2÷2.72.16÷181.8÷0.253.7÷2.2．25．用豎式計算（1）3.9÷0.26≈（2）9.35÷3.4≈（得數(shù)保留一位小數(shù)）（3）0.17÷0.11≈（商用循環(huán)小數(shù)表示）≈（5數(shù)保留兩位小數(shù)）（商用循環(huán)小數(shù)表示）26．用豎式計算21.45÷15；；217.6÷34；11.7÷36；；．27．將下列式子的得數(shù)保留兩位小數(shù)①25.32÷0.15②1.03÷1.2③1.07÷9.2④9.45÷0.32⑤13.51÷0.13⑥17.96÷0.36．28．列式計題得數(shù)留兩小數(shù)第小題寫出算過）47.04÷5.6=0.764×1.252.92÷0.27=8÷12=29．列豎式計算：0.195÷0.133.6÷0.876.76÷0.766÷2.47.085÷0.659.72÷0.27．30．豎式計算．（1）0.38×0.23（2）5.79×3.6（）4.6×0.25（424（5）52.95÷75（6）3.01÷7（7）4.95÷11（8）84.01÷31（用乘法驗算）10）4.7×0.59．31．計下各題并乘驗算（1）15.6÷12（2）328÷16（3）1.35÷27（4）0.646÷．．）45.15÷8.42+0.6=0.436÷9.25÷33列式算6.6÷42918.9÷271.35÷37.5÷6113.64÷．．算0.448÷14.3+6.7=3.8×0.26=11.32﹣8.95=35．豎計算1.26÷1.8=64×5.04=43.5÷0.29=驗算5.63÷6.1（數(shù)留位數(shù)）27.8÷2.5=驗算36．算5.02×4.8=1.35×320=26÷0.13=48÷2.3得保兩位數(shù)）37．用式計，★號要驗．★0.756÷0.18=﹣5.94=．用式★）96.6÷427.79÷95★6.3÷0.427÷0.35．39．用式算．7.8÷75=2.5×1.04=40．式算3.5×10.8（精十）1.42÷1.1商循小表示）41．計算下面各題，除不盡的用循環(huán)小數(shù)表示商43.8÷120.12÷0.257÷0.3511.62÷913÷1130.1÷3319÷125.6÷0.07．42．豎式計算30.6÷450.58※0.91．．列式．（留）0.54÷13.6÷（用表）．列式算第位．95.2÷5.63÷45豎式0.73×2.155.95÷（得數(shù)保兩位數(shù)）46．豎式算．3.38÷30.9×2.727.6得數(shù)小）47．列豎式計算．4.83÷23=3.09÷0.08=驗算）48．式算．70÷5.6=0.34=7.525÷49．豎算面，不的留小數(shù)8.65÷1.8÷12．50．豎算．7.02×9.50.54÷3.6算+式）答案共小）1：4.8÷7.5﹣0.75÷3.5×10÷10﹣0.6×4÷1.8×0.4×2：2.1÷2÷1÷7÷5.3÷0.1÷6.5﹣1.26÷3解30.2÷0.01÷0.72÷4.8÷

1÷

10﹣1.25×4：0.9÷7.2﹣0.05××0.25×4÷0.25×3.1÷﹣﹣××

51.8×2.5×0.5×4=56：6.4÷0.9﹣3.6÷100×4.5×11﹣7：5.6÷0.8=76.82﹣5.2=1.622.5×0.04=0.11﹣0.5+0.5=19.15÷0.3=30.517.2÷0.86=201.8÷0.1=1812.5×0.8×0=08解：1.4×100=1402.80÷10=0.282.4÷100=0.0240.33×1000=33090÷6=150.025×100=2.590÷100=0.90.32+1.98=2.314.3+5.7=209×99+9=900解：÷0.01=10000.22+0.8=1.0210﹣2.05=7.954÷0.25=160÷19.8=00.2×0.05=0.011.36+3.64=50.4×0.25=0.110解：0.25÷0.5=0.50.32÷0.04=81.25×4=51.6÷0.4=40.54÷6=0.095.6÷7=0.811解：5.09÷×0.5÷0.25=245.6÷1=45.632.1×10=0.509

0.8=10

0.2=6.420.25×6=1.50.4×0.54÷÷0.5=0.212解：

0.9=0.6

0.01=10204÷5=0.81.8÷0.03=6075÷2.5=300.2×25.4=5.083.6+4.4=810﹣5.2=4.83.4×0.2=0.687.8÷6=1.313解：3.6÷0.3=126.3÷7=0.95.6×100=5600.25×4=10.56÷28=0.0236÷0.9=400.64+0.8=1.440.72×3=2.161.2×20=247÷5=1.46.12÷0.5=12.242.9÷5÷0.2=2.914解：3.4÷2=1.72.7÷0.3=90.42÷6=0.074.12×2=8.246.3÷0.9=71.53+2.4=3.934.8×0.5=2.46.4÷80=0.0840×0.41=16.430.9×9=278.110×4.1=414.6÷0.5=9.215解：0.25÷÷×7.250=0.025=0.05

0.9=0.8

100=314.5

3.6=212.4÷4.1=30.01+0.99=17.6÷7.6=11.25×4=550﹣0÷2.5=5016解：0.35÷5=0.070.3×2=0.60.3÷0.2=1.50.7×0.9=0.630÷7÷3=02.4×5=1.24.9×0=02×0.45×5=4.517解：0.64÷1.6=0.41.4×0.5=0.70.72÷0.9=0.810.9﹣8.9=22.7+7.2=9.90÷1.5=02.7×0.3=0.8124÷0.3=804.3+2.7=7200×0.07=140.25×4.9=1.2254÷0.8=518解：0.8÷10=0.825+8=33187÷1000=0.1870÷58=0237﹣9=226257+0=2570×0.008=00.001×100=0.16.0805×1000=6080.524×5=12019解：0.63÷9=0.075.4÷1.45≈3.720×4.65=03.5÷0.7=51÷0.25=44×0.5=20.1÷0.05=23.3÷0.1=332.7÷0.9=30.36÷0.12=30.14÷2=0.079.6÷6=1.620解：8.4÷4=2.13.6÷0.2=180.72÷90=0.0081×0.8=0.880.56+4.44=51.25×5×8=509+3.7+2.1=8.77.6×8+2.4×8=800.4×0.25=0.121解：4.8÷0.8=67.5﹣5.7+3.3=91÷0.25=46.2÷﹣0.45=7.05

1=90.754=0.050.21×1.2×5+3.2÷0.8=91.5=0.5

4=0.84

60=7222解：0.72÷0.9=0.823.7+2.63=26.334.8÷0.4=120.5÷2=0.256.5﹣5.6=0.91÷0.25=48÷0.8=1010÷4=2.50.4×0.8=0.320.48÷0.8=0.60.35×4=1.40.3÷0.15=223解：1.2÷0.4=32÷8=0.254÷0.5=80.72÷4=0.180÷5.32=03.6+1.8=5.41﹣0.73=0.270.24÷0.6=0.46.4÷1.6=40.125×80=100.5×0.8=0.413.2÷0.6=2224解：2.5÷÷÷÷﹣0.5=5

0.6=0.7

0.01=350

0.6=0.9

0.35=0.450.25×4=112.5×0.8=100.2×50=100÷3.68=00.3×0.2=0.0625解：0.56÷0.7=0.80.6+0.65=1.253.9÷1.3=312÷0.03=4005.2÷0.13=4099×1.01=99.9913.5﹣2.8﹣7.2=3.525×0.32×125=100026解：3.6÷1.2=38.1÷9=0.94.8÷0.6=81.25×8=1099÷0.9=11025÷0.05=50088÷0.008=110001÷2.5=0.427解：0.64÷0.7×）40×0÷4.8=00.32=2

1.2=0.84

=1

0.25=102.9÷2.9=10.3×0.07×50=3.5100×22.1×0.6=0.18280.02×0.1=0.00212﹣4.3=7.736÷0.01=36000.8×0.125=0.12.3+0.8=3.10.36÷0.4÷9=0.1293.6÷1.2=34.4÷4=1.14.8÷0.4=121÷0.25=430

0.07=7

1=22.16.4÷8=0.89.8÷0.14=704.8÷16=0.30.63÷9=0.078.7÷29=0.30.99÷9.9=0.15.5÷0.11=5013.8÷6.9=231解：0.56÷8=0.070.07×10=0.73﹣1.9=1.12×0.1=0.1251÷0.3=1704.3+15.37=19.679×10.02≈3012.1÷3.9≈36÷0.58≈1032解：3.6÷3=1.27.8÷6=1.39.9÷9=1.156.7÷7=8.14.8÷4=1.23.9÷13=0.33.6÷12=0.38.1÷27=0.30.04÷2=0.020.88÷4=0.221.25÷5=0.257.5÷0.05=15033解：1÷0.25=40.78÷6=0.132.4÷24=0.16.6÷0.6=115÷0.5=1034÷0.2=1700.8×7=5.68×0.6=4.870×0.12=8.434解：2.1÷2=1.053.8+1.02=4.827.5×0.4=32x﹣8=1.250.7x=1.3x0.8×3.2×0.5=1.69.6÷÷0.6=0.48

0.06=160

0.7=5.135解：22.4÷4=5.60.25×4=10.21÷7=0.035.6÷7=0.81.2×5=642÷3=146.12÷0.6=10.20.54÷6=0.0938.5÷5=7.724÷0.8=3036解：1.6÷0.4=47.2÷8=0.94.2÷0.01=4202﹣3.6÷1.8=04÷5=0.84.6÷0.46=105.4÷1.8=30÷21.3=037解：1.2÷3=0.40.48÷6=0.084.6÷23=0.26.8÷4=1.70.72÷12=0.060.72÷4=0.189.6÷6=1.65.2÷13=0.412.5÷5=2.50.12÷5=0.02438解：56÷100=0.561.29﹣0.29=10.56×100=565.35+2.5=7.850.625×100=62.55﹣2.1=2.9359+402=76118.6﹣7=11.68.07×10=80.73.5+0.9=4.41.2+0.08=1.284×（25×14）=14007.34×0=03.31+1.2=4.5125×4÷25×4=160.25+0.2+0.75=1.239解：0.42÷0.6=0.75×0.6=32.4÷0.24=101.25×2.3×8=237.8+1.2=910÷0.1=1000.1×0.1=0.012.5﹣2.5×0.4=1.540解：10﹣9.9=0.10.67+0.3=0.978.9×100=8902.5×4=108÷16=0.50.9×60=541.04÷2=0.529.1÷7=1.31.5×8=120.39÷39=0.010.25÷8=0.031250.05×300=150.45÷9=0.057.2÷9=0.80×5.8=04×8×0.25=841解：2.4÷2=1.248÷0.6=800.24÷0.2=1.24.8÷6=0.82.4÷0.2=124.8÷0.6=89.6÷0.3=3296÷3=3242解：16÷5=3.222÷4=5.548÷100=0.4812.6÷3=4.26.06÷6=1.0135÷70=0.595÷5=191.3×4=5.212.6÷0.6=211.8÷6=0.343解：0.75÷0.5=1.51.6÷0.4=47÷3.5=216.8÷0.4=422.8÷0.28=100.5÷0.25=244解：5.74÷10=0.5744.2÷0.07=600.16×4=0.640.4÷0.8=0.51.2×5=60.64÷2=0.320.56÷0.7=0.80.6+0.65=1.253.9÷1.3=345解4=3.2（25=6.3（3）39.6÷4=9.9（4）97.8÷6=16.3（5）11.7÷3=3.9（62=14.7（75=16.7（8）95.2÷4=23.8（9）67.8÷2=33.946．【解答】解：口算：÷）0.08÷÷）0.36÷）÷8=0.12

0.01=8

0.05=4

0.18=2

1.7=3÷÷﹣9÷）2.5×4÷0.6=0.9

解：10÷2.8÷4.5÷7.2÷15÷5÷1.2÷解：11148.3÷49解：6÷1.2=30.72÷0.9=0.82.6÷13=0.24.8÷0.4=124÷4=1.10.78÷6=0.137.2÷0.4=181÷0.25=47.1×0.4=2.844.5÷0.15=301﹣0.07=0.930.42÷0.7=0.650解：0.295÷1000=0.00519+0÷19=19423﹣（100+23）=300100=0.0029170×100=17000320÷100=3.290﹣26﹣13=510.56×100÷1000=0.0560.26×1000=26024×38﹣25+12﹣500÷100×1000=500099+24=2400二豎198÷20.4÷2★210÷8.9÷0.56346.8÷3.4≈13.840.13÷0.17≈0.764.2÷4.2÷1.32524×0.37=8.8840.32÷

25=0解：2.1÷0.7=3÷0.35=207.2÷4=1.87解：①2.76×24=66.24②12.6÷0.28=458解：220.5÷15=14.72.64×1.09≈2.886.3÷0.125=50.40.84×1.65=1.3869解：33.6÷56=0.68.96÷0.28=327.12÷0.22≈3.364.13÷14≈0.3010解：（1）12.4÷4=3.1（2）45.9÷0.6=76.5（30.3=170（4）52.8÷12=4.4（5）75.6÷0.18=420（6）9.6÷0.32=3011解：13÷2.5=5.254.5÷0.16=340.6250.68÷0.95≈0.722.05×0.16=0.32878.6÷11=7.1（商用循環(huán)小數(shù)表示）6.21÷0.03=20712【解答】解：1.25÷0.25=578.6÷11=7.15.63÷7.8≈0.7228.28÷0.4=70.70.303÷5=0.060613解：1.57÷3.9≈0.400.58×0.24≈0.1470.7÷33=2.114解：★64.8÷1.8=36★8﹣6.69≈1.3；0.65×3.84≈2.515．【解答】解：9.4÷11=0.8*144÷12=1214.2÷11=1.216解：75.6÷0.18=42025.6÷0.032=8002.78×1.8=5.0045.63÷6.1≈0.9210÷3.3≈3.17解：30÷7≈4.2960.9÷3.2≈19.025÷9.9≈3（20.7=12.2（4）72.9÷0.9=81解：②9.25÷③15÷÷（2（3（4）78.6÷11=7.1解：4.5×0.18=0.812.346÷2.3=1.0270.3×3.6=253.085.06÷2.2=2.322解：2.6×0.25=0.6529.9÷0.46=65*4.65÷1.3≈3.58解：②13.9÷6≈2.32③0.325÷1.5④6.24÷0.8=7.8⑤18.3÷4=4.575解：7.05÷0.94=7.51.71÷3.8=0.4583÷O.7=6.97÷9=0.638.2÷2.7=14.42.16÷18=0.121.8÷0.25=7.23.7÷2.2=1