小数乘除法简便计算练习题.doc

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1、小数乘除法简便运算练习题0.75×1990.86×15.7－0.86×14.70.25×364.2÷3.57.28×99+7.28    26×15.7＋15.7×24 1.2×(9.6÷2.4)÷4.8 4.8－4.8×0.5       8.05×3.4+7.6 (3.275＋0.625)×3.32×2532＋4.9－0.9 (1.25－0.125)×82.5×(3.8×0.04) 3.8×299.9 2.5×1.25×0.32 0.125×72 0.25×39+0.25 6.8×0.75÷0.25 48×0.56＋44×0.4

2、8 12.5×56 13.5×0.98  12.5×8.895.7×0.28＋6.3×0.28－0.28×229.5×99 9.16×1.53－0.053×91.63.9÷（1.3×5）4.2÷3.515÷（0.15×0.4）63.4÷2.5÷0.43.6－3.6×0.75（4.23＋6.17）×0.840.5÷0.81×0.18 4.4×0.8－3.4×0.8(9.37+9.37+9.37+9.37)×2．5 4.8×100.1  7.09×10.8－0.8×7.0912.5×0.4×2.5×8 0.279×343＋0.657×2

3、79                                         0.96÷（4.2-3.4）×1.25 9.5×99.84.8×（15÷2.4） 8.7×17.4-8.7×7.42