小数乘法计算题7页

1、五年级小数乘法计算过关练习题 1、列竖式计算下面各题。7.6×2 0.23×8.9 2.89×0.8 4.8×0.25 125×0.08 7.37×2.69×67.3 3.14×16 0.37×5.62.6×12 3.14×25 6.69×0.3 36×3.14 5.43×0.9 0.4×72 0.72×5= 2.05×4= 12.4×7=2.3×12= 6.7×0.3= 0.56×0.

2、04= 6.5×8.4= 3.7×4.6= 0.29×0.07=2.6×1.08= 0.87×7= 12.5×42= 0.37×0.4= 1.06×25= 0.6×0.39=1.7×0.45= 5.2×1.4= 0.37×8.4=0.86×1.2= 2.04×0.15= 21×2.84= 6.8×25= 58×1.6= 36×2.4=2.06×3.7= 1.56×0.08= 1.03×5

3、.3= 1.12×1.1= 1.5×1.5= 3.14×2.5=3.14×2= 3.14×3= 3.14×4=3.14×5= 3.14×6= 3.14×7= 3.14×8= 3.14×9= 3.5×40.6= 3.14×0.8= 0.25×0.4= 1.25×80= 0.14×23= 3.5×4.8= 2.25×80= 8.16×0.4= 12.5×0.8= 35×0.57= 13.7&

4、#215;0.06= 5.04×0.29= 3.5×29.6= 6.9×0.15= 2.5×80= 0.125×800= 14×0.25= 3.14×1.8= 2.15×70= 1.86×2.4= 0.15×0.63= 2.75×2.2= 12.8×0.3= 0.89×2.9= 1.2×0.16= 6.15×9.4= 1.8×0.85= 13.7×40= 2、用简便方法计算下面各题。0.3 × 63 99.7 

5、15; 63 1.2 × 31 98.8 × 31 6.1 × 68 93.9 × 68 4 4.8 × 61 95.2 × 61 4.9 × 45 95.1 × 45 4.4 × 20 95.6 × 20 1.5 × 24 98.5 × 24 7 × 82 93 × 82 8.8 × 27 91.2 × 27 6.8 × 8 93.2 × 85.4×98.6×94.0×9 9.3

6、15;35.9×35.2×3 25×7.1×4 12.9×25×4 12.5×0.69×835×0.2×0.5 0.75×50×0.4 1.28×5.93×8025×4.4 8.8×1.25 10.1×5.69.9×2.6 1.5×1.6 0.25×3.61.6 × 6798.4 × 67 0.1×8.20.2×8.29.7× 8.2 1.25&#

7、215;32×0.4 4.8×0.25 0.78×980.5×2.33×8 1.5×105 0.3× 2.5× 0.41.2× 2.5+0.8× 2.5 3.72× 99+3.72 9.98× 9.91.25× 0.9× 0.8 4 × （6.3×2.5） 6.4×0.25×12.52.5×16.7-2.5×0.7 1.08×9+1.08 0.39×1993.14×0.68+31.4×0.032 1.28×8.6+7.2×0.869.16×1.53-0.053×91.6 48×0.56+44×0.483、计算下面各题，并按要求保留积的小数位数。（1）得数保留一位小数0.6×0.9 0.57×0.86 0.8×0.313.58×2 0.563×0.856 0.37×2.4（2）得数保留两位小数35.6