口算

2.5×2=0.5×10=0.6×8=2.1×2=

2.8×10=0.7×0.8=0.04×20=5.6 0.4=

4.7 2.3=4.5×2=6.9－2.5=7.2×0.8=

6×3.4=0.62－0.32=1.4×0.5=0.75×100=

0.02×0.5=3.6×0.3=6.3÷7=5.6×100=

0.75÷0.25=0.125×8=4.8÷0.3=0.86÷2=

0.56÷28=0.36÷0.4=0.64÷0.8=0.7×9=

3.6÷24=0.8×1.1=7.2 12.8=46.7－3.8=

12.8÷4=5.2÷13=12.5÷5=1.64 4.1=

10÷20=24÷15=8.65×10=0.35×0.6=

3.08×0.01=4.95×1000=6.9×0.1=0.4×0.5=

2.4÷0.8=10.8÷9=9.6÷0.8=0.108÷2=

4.95÷0.9=9.65÷0.1=0.325×100=2.5×8=

0.56÷0.7=0.125×4=3.28×0.1=3.9÷0.13=

7.2×0.1=0.01×0.1=0.25×0.4=1.6÷0.8=

1÷2.5=1.25×0.8=3.2÷0.04=0÷1.7=

0.22×102=9.6÷0.8=5×0.24=4.5－0.05=

3.9÷0.1316.5÷0.5=5×0.12=24×0.5=

4.8×0.5=2.8＋4.2=0.84÷2.1=5÷0.25=

7.8÷0.01=5.4÷0.6=3.2÷5=7×0.62=

0.56÷0.8=7.4－2.8=0.18÷0.2=0.16÷8=

4.5×0.02=8＋7.2=1.2×30=0.012×0.2=

7.3×0.3=0÷6=3.6÷0.12=7.8÷0.6=

2÷5=4.5＋5=0.3÷0.6=0.96÷0.2=

10.5×0.4=7.3＋0.27=8×0.125=0.54÷0.6=

0.61＋0.39=0.56÷28=10÷20=4.08÷0.4=

10－9.4=0.8×0.11=7.2＋12.8=5.6÷0.01=

2.3×100=0.75×100=0.108÷2=10.8÷9=

7.8÷0.01=5.4÷0.6=3÷5=7×0.62=

12÷0.5=5.2×0.4=12.2÷0.2=5.6÷100=

0.41＋3.7=0.02×0.5=7.2－0.8=1.4×0.5=

84÷0.21=0.75÷0.25=2.5×16=0.108÷2=

1.75＋32.5=16－5.07=5.2÷13=1.64÷41=

1.02×0.2=0.26×0.3=8.4×0.02=1.2×6=

0.8×0.05=12.6÷0.03=8.71÷0.1=21÷0.21=

0.8×0.13=0.34÷17=8.08÷0.4=0.5×2.2=

1.24×4=3.27＋0.63=5.02×0.3=0.3×0.5=

5.6÷7=72÷7.2=0.7÷0.35=0.7÷1.4

0.48÷0.04=1.25÷2.5=5.5＋5.5=16.8÷8=

0.54＋2.2=3.5－0.05=2÷0.02=0.25×40=

1.5×0.6=0.32÷0.8=12.25÷0.5=73.5×0.1=

46.5＋52.5=0.45×102=1.25×88=2.64＋3.85＋1.54=

8×1.25=7÷3.5=4.2÷0.7÷6=0.4×8.6×25=

0.27÷0.3=2.5×101=0.65×101－0.65=2.6×7÷2.6×7=

0.02×0.5=3.6×0.3=6.3÷7=5.6×100=

7.8÷0.01=5.4÷0.6=3.2÷5=7×0.62=

1.5×0.6=0.32÷0.8=12.25÷0.5=73.5×0.1=

2.5×2=0.5×10=0.6×8=2.1×2=

0.61＋0.39=0.56÷28=10÷20=4.08÷0.4=

1.2×0.3=6.6÷1.1=4.9÷7=0÷0.48=

简便运算

2.73＋0.89＋1.27

4.37＋0.28＋1.63＋5.72

10－0.432－2.568

9.3－5.26－2.74

13.4－（3.4＋5.2）

14.9－（5.2＋4.9）

18.32－5.47－4.32

17.29－5.28－6.29

25×6.8×0.04

0.25×32×0.125

6.4×1.25×12.5

四年级小数除法解析

计算时先全化成整数，例如：0.512÷1.5=512÷150，别听一楼的，算完了答案无需加小数点（要同时扩大相同倍数）