人教版五年级数学上册《小数乘法的简便计算》练习题

学校:___________姓名：___________班级：___________

一、简便计算

0.25×4.6×0.4       2.5×0.23×4           0.25×1.7×4      

                           36×0.5×2

                        0.75×50×0.4

(1.25－0.125)×8       （20－4）×0.25      (2+0.4)×5         （125+2.5）×0.8

2.35×5＋3.65×5       14.7×3.8＋6.2×14.7        1.2×2.5＋0.8×2.5

4.7×3.6－2.7×3.6              3.9×3.5＋3.5×6.1 

           3.6×99           49×10.2          3.7×102       

1.7×101            0.78×98         0.25×2.8       48×1.01   

5.5×101－5.5     6.32＋6.32×99     4.8×99＋4.8      46.7×99＋46.7  

12.5×4.8         4.8×0.25         2.5×32×1.25      12.5×0.×2.5 

0.54×30.8＋3.08×4.6         6.8×3.1＋68×0.69         

    2.3×16+2.3×23+2.3    314×0.043＋3.14×7.2－31.4×0.15

人教版五年级数学上册《小数乘法的简便计算》分类练习题

学校:___________姓名：___________班级：___________

3.8＋4.29＋2.71＋4.2     5.11－1.25－0.75        9.37－4.7＋0.63

        1.25＋4.6＋0.75         1.25＋4.6＋0.75

          0.25×3.3×0.4            4.3×9.9   

0.46×1.9＋0.54×1.9      3.4×12.5＋6.6×12.5    6.1×3.6＋3.6×3.9

9.4×3.5＋6.5×9.4    4.75×99＋4.75    42.6×2.7－42.6×0.7        

1.25×0.85×8－4.23－3.77       2.5×95.7×0.4   

12.5×108           9.85×2.3－8.85×2.3           1.5×105  

1.2×2.5＋0.8×2.5      4.7×10.2    2.5×8×0.4×0.125          

4.85×9.9＋4.85×0.1          0.65×99          

50－13.5－7.5