苏教版五年级数学乘法简便计算练习.doc

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1、小数乘法简便计算班级姓名学号怎样算简便就怎样算。0.25×16.2×44.36×12.5×80.35×1.25×2×0.83.2×0.25×12.532.4×0.9＋0.1×32.40.65×198(1.25－0.125)×89.7×99＋9.727.5×3.7－7.5×3.73.65×10.019.16×2.5－9.16-0.5×9.160.45×18 3.14×0.68＋31.4×0.032  3.72×3.5＋62.8×0.3556.9×10.1-5.692.32×3.5＋66.8×0.35 +3.5  (3.7+3.7+3.7+3.7+3.7+3.7+3.7+3.7)

2、×1.254.8×1.029.9×0.79+1.1×9×0.215.6×1.252.5×1.25×（4＋8）