小数乘法运算律练习题.doc

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1、小数乘法运算律练习题6.73×9.84.4×2.50.125×883.4×1.021.25×3.7×0.83.5×1.73+8.17×3.58.6×1.82+0.78×8.67.5×0.36﹣0.36×6.58.13+99×8.136.34×990.27×76+7.6×7.30.25×1.3×0.40.125×642.5×7.1×43.26×5.7－3.26×0.79.9×2128.75×11－8.757.28×99+7.28     55.6×99＋55.61.25×213×0.80.68×1014.3×50×0.2    19.625－(4.379＋9.625)3.42×5.7＋4.3×3

2、.428.05×3.4+7.6   64－2.64×0.516.12×99＋16.12       5.2×0.9＋0.96.58×4.5×0.9   26×15.7＋15.7×24      (2.275＋0.625)×0.28     3.94+34.3×0.2         1.2×(9.6÷2.4)÷4.84.85+0.35÷1.4    8.7×17.4-8.7×7.4 8.9×1.1×4.7     2.7×5.4×3.9    3.6×9.85-5.46           2.8×0.5+1.5832＋4.9－0.9       4.8－4.8×0.5       (1.25

3、－0.125)×813.5×0.984.8×100.1       56.5×99＋56.5    7.09×10.8－0.8×7.0912.5×8.812.5×0.4×2.5×8        40.5÷0.81×0.18  (9.37+9.37+9.37+9.37)×2.50.68÷（5.2-3.5）×1.25   4.8×（15÷2.4）0.87×3.16+4.646.81+6.81×99      0.25×185×40    4.4×0.8－3.4×0.8 7.69×101