小学四年级小数乘除法计算题300道.doc

小学四年级小数乘除法计算题300道.doc

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185.44÷1641.84÷721.7÷967.5÷105230.4÷0.6

121.24÷360.736÷2343.5×1235.21÷739.6×24

6.21÷0.03210÷1.451.3÷0.2791.2×3.80.756÷0.18

0.66÷0.311.97×1.569.6÷2.938.4÷0.815÷0.06

15.6×2.93.77×1.80.02×965.22×0.39.99×0.02

4.67÷0.95×2.441.666÷6.19.432×0.0025.6×6.5

4.88÷2.90.61×4.38.9÷2.45.5×559.77×0.02

1.384÷5.18.78×8312.6×610.059×0.24.268×1.7

5.7×5.79.46×2.8517.8×6.41.5÷4.912.5×0.88

5.555×5.22.22×3.337.658×8536.02÷0.356.78×8

（循环小数的用简便方法，除不尽保留2位小数）：

8.2÷0.120.8÷0.976.4÷5.44.7÷31.25÷1.2

32÷4214.36÷2.78.33÷6.21.7÷0.032.41÷0.7

0.396÷1.2=0.756÷0.36=15.6×1.3=0.18×1.5=

0.025×1.4=13.06×36=0.04×0.12＝3.84×2.6≈

5.76×3＝17.15×2290.75÷3.33.68×0.25

16.9÷0.131.55÷3.93.7÷0.01613.76÷0.8=

5.2×0.618.4÷1.36.4×0.54.48×0.4

15.25×535.4×4.20.042×0.540.76÷0.32

0.25×0.0462.52×3.41.08÷250.12×0.5×0.16＝

4.8×0.25＝0.125×1.4≈（保留两位小数）

2.5÷0.7=（保留三位小数）10.1÷3.3=（商用循环小数）

10.75÷12.5=（用乘法验算）3.25×9.04=（用除法验算）

3能简算的要简算

2.5×7.1×416.12×99＋16.125.2×0.9＋0.9

7.28×99+7.284.3×50×0.264－2.64×0.5

26×15.7＋15.7×24（2.275＋0.625）×0.283.94+34.3×0.2

1.2×（9.6÷2.4）÷4.88.9×1.1×4.72.7×5.4×3.93.6×9.85-5.46

8.05×3.4+7.66.58×4.5×0.92.8×0.5+1.58

32＋4.9－0.94.8－4.8×0.5（1.25－0.125）×8

4.8×100.156.5×99＋56.57.09×10.8－0.8×7.09

4.85+0.35÷1.48.7×17.4-8.7×7.412.5×0.4×2.5×8

0.87×3.16+4.649.5×1010.68÷（5.2-3.5）×1.25

40.5÷0.81×0.184.8×（15÷2.4）

6.81+6.81×990.25×185×404.4×0.8－3.4×0.8

（9.37+9．37+9．37+9．37）×2．52.37×6.3+2.37×3.7

2.5×1.25×0.323.8×10.12.5×（3.8×0.04）7.69×101

3.8×10.10.25×39+0.250.125×7246×0.33+54×0.33

（8×5.27）×1.256.81+6.81×990.25×185×40

6.8×0.75÷0.53.75÷0.125–2.751.53+23.4÷7.2

9.5×9913.5×0.9812.5×8.8

3.8×0.12=0.57×0.6=6.4×0.5=6.7×5.8=9.8×3.8=7.8×6.4=4.6×2.7=4.5×2.7=

5×1.6=3×0.6=3×1.2=6.7×7.6=5.4×7.8=2.6×3.6=3.5×1.7=8.3×2.6=1.4×0.7=4.5×2.8=7.4×2.6=6.2×1.4=

5.4×2.6=2.3×1.4=3.7×1.8=5.2×1.6=3.6×0.8=0.66×1.4=6.5×5.8=0.72×0.49=0.42×0.28=0.24×0.19=2.4×1.3=4.5×2.3=

0.72×0.27=0.78×0.32=0.65×0.04=0.23×0.16=0.29×0.15=0.16×0.19=4×1.2=7×4.6=6×0.37=0.28×0.27=0.75×0.42=2.3×1.9=

8×0.64=2.7×0.8=10×4.2=7.1×3.9=4.3×1.4=2.6×1.6=0.8×0.3=0.65×0.4=0.91×0.6=1.8×1.6=4.8×0.5=3.2×0.4=

9.8×4.8=12×8.3=15.2×6.5=20.1×11.1=13.34×10.32=6.52×0.48=6.3×5.1=8.7×3.6=14.3×4.3=1.5×0.54=10×4.2=2.47×3.24=

2.98×0.56=5.64×1.78=8.02×0.98=7.1×3.9=2.8×11.39=12.53×4.67=7.2×6.45=1.65×3.35=7.96×1.45=60×1.27=6.07×4.89=5×0.41=

0.9×0.5=2×0.7=1.2×4.3=

5.4×2.7=6×2.9=3.7×1.7=4.2×0.8=7.5×2.5=2.2×4.3=9.5×7.1=3.5×1.6=

5.2×2.8=7.8×1.6=9.6×4.1=10×4.2=5.1×2.5=4.1×3.4=1.2×3.8=9.6×4.1=7.8×1.6=3.5×1.6=4.4×1.4=2.9×2.1=

3.5×1.2=4.8×3.4=6.9×2.5=2.5×7.8=8×5.4=6.9×2.5=2×3.5=6.8×2.2=4.7×5.4=4.1×8.8=2.2×5.5=9.6×2.1=

1.7×3.8=7.4×3.6=0.8×0.23=1.6×2.4=4.7×3.5=1.2×3.6=1.5×3.8=2.8×1.2=7.3×2.7=7.3×2.7=6.2×3.7=4.2×3.9=

0.54×0.65=7.5×5.2=0.7×0.5=0.32×0.47=8.3×6.3=7.2×0.42=0.48×0.52=0.8×0.25=43.5×0.65=0.32×0.16=0.35×0.55=0.87×0.8=

0.24×0.08=0.92×0.37=1.4×0.6=3.6×4.2=0.72×0.48=6.8×3.2=7.1×3.4=0.42×0.66=0.32×0.68=2.8×7.2=0.65×0.19=3.09×1.2=

3.25×5.64=0.25×0.47=0.82×0.18=7.8×2.4=0.45×0.18=0.4×0.16=8.2×1.8=0.73×0.27=8×3.2=9.8×4.8=3×2.4=2.8×0.9=

1.29×0.18=5.1×0.8=10×0.3=

8.9×4.9=6.8×0.7=8×0.72=6.6×3.4=6.4×1.3=1.2×0.8=7.3×6.2=8.7×3.6=12.3×0.7=0.8×9.2=4.7×1.9=5.1×3.9=1.4×0.6=3.8×6.4=0.6×7.45=4.9×0.1=4.5×3.2=1.8×0.9=6.5×0.5=10.5×6.5=

7.5×0.5=0.78×0.28=12.8×2.8=9.6×2.3=3.8×0.12=0.8×0.08=10×7.4=7.5×3.2=0.42×0.58=0.8×0.15=2.5×0.4=8.2×2.6=

1.4×0.7=2.5×4.6=0.5×9.8=6.7×2.6=7.2×5.9=8.7×3.6=5.69×2.48=2.9×4.1=9.1×6.7=2.03×1.2=8.6×4.9=1.3×2.03=

9.46×7.21=1.56×2.24=3.5×1.25=0.75×0.4=20×0.78=4.8×4.2=5.7×3=

4.9×1.7=1.34×0.8=

2×0.75=8.7×0.03=0.2×0.09=

8.5×2.5=3.4×1.4=0.68×0.42=

7.82×7.2=2×9.1=0.48×0.52=

8.1×5.1=0.78×0.24=0.8×0.18=

0.89×0.25=1×0.98=0.9×0.1=

1×0.8=4.5×4=5.6×4=

5.7×3.3=10×4.4=6×6.6=

9.5×2.7=1×0.55=3.7×4.8=

4