小数乘法简便运算练习.doc

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1、小数乘法简便运算练习题0.25×8.5×4      12.5×0.96×0.8         0.25×0.73×4     0.25×16.2×4               4.36×12.5×8        0.95×0.25×4      35×0.2×0.5     0.75×50×0.4             (1.25－0.125)×8    （20－4）×0.25       (2+0.4)×5         （125+2.5）×0.8         3.72×3.5＋6.28×3.5    15.6×2.1－15.6×1.1        7.6×0.8＋0.

2、2×7.6      3.83×4.56＋3.83×5.44        7.09×10.8－0.8×7.09   3.9×2.7＋7.3      27.5×3.7－7.5×3.7       10.6×0.35－9.6×0.35                  4.8×10.1         3.6×102        0.39×199        8.9×1.01 0.32×403         3.65×10.1       0.85×9.9      0.65×101     1.87×9.9＋0.187               12.7×9.9＋1.27    

3、 1.25×2.5×32   3.2×0.25×12.5     0.25×36      25×4.4      8.8×1.25     56.5×99＋56.5        9.7×99＋9.7         4.2×99＋4.2         5.4×11-5.4           6.66×3.3+66.6×67   46×57＋23×86      3.14×0.68＋31.4×0.032    4.8×7.8＋78×0.52        101×0.87-0.91×87      3.65×4.7－36.5×0.37         2.3×16+2.3×23+2.

4、3   5×1.03×0.2      32×1.25    0.45×99       53×10.1       0.125×96       12.5×10.8    25×7.3×0.4     45×21－50×2.1      45×1.58＋5.5×15.8        4.2×6.51＋3.49×4.2              9.99×2.22＋3.33×3.34 7.2×0.2＋2.4×1.47.74×（2.8－1.3）＋1.5×2.263.9×2.7＋3.9×7.346×57＋23×8610.7×16.1-15.1×10.71.28×8.6＋0.72×8.648×

5、0.56＋44×0.480.279×343＋0.657×2790.264×519＋264×0.4812.5＋3.25＋0.75＋7.5             15.89-（5.89+6.98）4.32－（1.32＋2.34）75.6-10.8-9.2     3.62+5.68-3.60+1.32（15.28+28.99）+20.72