小数乘法简便计算练习题-Microsoft-Word-文档.doc

0.25×16.2×4                 (1.25－0.125)×8                   3.6×102 
3.72×3.5＋6.28×3.5        15.6×2.1－15.6×1.1          4.8×10.1

4.8×7.8＋78×0.52（怎样变化？）     56.5×99＋56.5    7.09×10.8－0.8×7.09
 1.87×9.9＋0.187                      4.2×99＋4.2          1.25×2.5×32 
 3.83×4.56＋3.83×5.44               4.36×12.5×8            9.7×99＋9.7 

 27.5×3.7－7.5×3.7                0.65×101                  3.2×0.25×12.5 
 3.14×0.68＋31.4×0.032          7.2×0.2＋2.4×1.4            8.9×1.01  

 7.74×（2.8－1.3）＋1.5×2.26      3.9×2.7＋3.9×7.3        12.7×9.9＋1.27
 5.4×11-5.4                  2.3×16+2.3×23+2.3            3.65×4.7－36.5×0.37 
 46×57＋23×86             2.22×9.9+6.66×6.7              101×0.87-0.91×87  

 10.7×16.1-15.1×10.7             0.39×199                 0.32×403
 0.25×36                       0.25×0.73×4               3.65×10.1
 7.6×0.8＋0.2×7.6             0.85×9.9                  0.25×8.5×4  
 1.28×8.6＋0.72×8.6        12.5×0.96×0.8         10.6×0.35－9.6×0.35