北师大版四年级数学下册第三单元小数乘法专项练习题105.pdf

北师大版四年级数学下册第三单元小数乘法专项练习题105

0.1×8＝5×0.3＝0.003×1000＝0.66÷10＝

0.29×10＝0.08×0.9＝0.5×0.09＝0.6×0.5＝0.3×6＝6×0.3＝

0.001×1000＝6.66÷10＝

0.614×1000＝40×0.2＝0.7×30＝1.7×70＝

二、列竖式计算。

0.36×0.50.4×7.60.99×4.64.8×7.8

0.12×0.060.68×0.625.4×0.180.51×28.2

0.45×0.80.65×8.44.4×7.25.4×3.14

0.27×0.93.5×5.20.21×6.967.2×0.24

0.7×2＝9×0.7＝0.8×10＝1.1÷10＝

0.203×10＝40×0.07＝0.7×900＝0.07×60＝0.4×9＝7×0.9＝

0.02×1000＝3.64÷10＝

8.88×100＝0.7×0.06＝0.006×20＝1.1×90＝

二、列竖式计算。

0.88×0.039.6×0.880.54×0.642.6×56

0.42×0.076.8×0.320.2×6.50.46×8.76

1.8×0.20.13×0.50.92×1.30.74×3.39

0.25×0.66.7×5.48.5×4.29.09×0.86

0.1×3＝4×0.6＝0.9×10＝3.69÷1000＝

31.8×10＝70×0.09＝0.6×0.7＝0.7×90＝

0.8×9＝8×0.8＝0.007×10＝11÷10＝

91.6×1000＝80×0.08＝0.007×0.03＝0.2×9＝

二、列竖式计算。

7.6×0.020.38×0.770.64×0.914.7×1.94

5.9×0.070.13×0.841.6×2.45.4×4.93

3300×0.44.2×0.70.52×0.396×1.42

9.1×0.50.55×7.40.22×5.47.93×5.7

0.6×3＝9×0.7＝0.005×100＝87.1÷100＝2.25×100＝0.6×0.5

＝0.07×40＝1.7×0.09＝0.5×5＝5×0.9＝0.8×1000＝81.7÷1000＝

96.8×1000＝0.01×0.09＝0.7×4＝0.09×5＝

二、列竖式计算。

0.18×0.083.1×0.230.8×0.280.26×47.6

0.98×0.60.7×0.890.71×6.90.2×1.79

8.1×0.70.55×4.50.99×0.333.9×9.01

0.67×0.040.39×3.42×3.975.4×8.3

0.8×4＝9×0.9＝0.3×1000＝0.482÷1000＝

6.69×10＝80×0.4＝0.005×6＝0.04×3＝

0.9×2＝4×0.3＝0.06×100＝0.308÷10＝

0.05×1000＝1×0.05＝0.001×800＝0.14×0.8＝

二、列竖式计算。

0.55×0.54.2×6.30.6×8.19.5×3.55

0.91×0.50.66×2.24.6×2.90.37×8.36

4500×0.088.1×0.893.5×1.73.5×7.83

9.6×0.046.3×23.8×6.76.99×6.2

0.9×7＝3×0.6＝0.009×100＝43.9÷100＝40.7×1000＝6×0.6

＝0.008×80＝0.4×600＝0.8×3＝2×0.8＝0.6×10＝0.619÷100＝

72.2×1000＝0.03×0.04＝0.9×200＝1.2×0.6＝

二、列竖式计算。

0.48×0.048.7×0.878.6×2.82.2×3.79

7.7×0.78.8×1.90.72×0.667.7×5.66

0.54×0.33.5×0.280.7×9.90.57×69.9

0.62×0.059.5×0.