【人教版】 五年级数学上册小数乘法练习题和小数乘法简便运算教学教案.docx

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1、【人教版】五年级数学上册小数乘法练习题和小数乘法简便运算0.25×16.2×4(1.25－0.125)×83.6×1023.72×3.5＋6.28×3.515.6×13.1－15.6－15.6×2.14.8×7.8＋78×0.524.8×100.156.5×9.9＋56.57.09×10.8－0.8×7.0916.8×2.1-16.80.25×5.78×0.4164.9×0.125×801.2×9.1+1.2×0.93.5×1030.8×（0.125+125+1.25）2.5×0.125×40×803.69×9.98.6×9+8.62.4×0.1

2、9+0.24×8.14.8+8.63+5.2+0.37      5.93+0.19+2.81          1.76+0.195+3.24     2.35+1.713+0.287+7.65    1.57+0.245+7.43     6.02+3.6+1.98 1  0.134+2.66+0.866    1.27+3.9+0.73+16.1 3.07－0.38－1.62        8－2.45－1.55     0.32×403 23.4－0.8－13.4－7.2         0.25×36 12.7－（3.7＋0.84）36

3、.54－1.76－4.54      7.6×0.8＋0.2×7.6       0.25×8.5×4 0.85×199          1.28×8.6＋0.72×8.6    12.5×0.96×0.81      0.8×（4.3×1.25）      3.12＋3.12×99      28.6×101－28.6   （4.23＋6.17）×0.8     0.86×15.7－0.86×14.7     2.4×102   14－7.32－2.68    2.64＋8.67＋7.36＋11.33    （2.5－0.25）×0.4   

4、 9.16×1.5－0.5×9.16    3.6－3.6×0.5   4.5÷1.8                 4.2÷3.5              930÷0.6÷5  1        63.4÷2.5÷0.4             4.9÷1.4          3.9÷（1.3×5）     （7.7＋1.54）÷0.7              2.5×2.4            2.7÷45     0.35×1.25×2×0.8     32.4×0.9＋0.1×32.4     15÷0.25   70÷28  

5、      15÷（0.15×0.4）         4.25÷2.5×9.9＋0.17 10.4－9.6×0.35 2.31×1.2×0.5  14.9－（5.2＋4.9）118.32－5.47－4.327.85＋2.34－0.85＋4.6613.4－（3.4＋5.2）17.29－5.28－6.293.68＋7.56－2.6825×6.8×0.040.25×32×0.1256.4×1.25×12.5123×0.1＋2.3×9.90.45×2010.58×10.150.2×994.7×9.93.6×1020.25×16.2×43.28×5.7＋

6、6.72×5.72.1×99＋2.11.7×9.9＋0.173.72×3.5+6.28×3.56.4×0.25+3.6÷43.75×0.5－2.75÷217.3÷4＋2.7×0.255.26×0.125＋2.74÷86.78×3.6+3.22×3.612.5×0.57×0.850×0.13×0.22.33×0.5×0.4×59.78×99+9.781.6×7.5×1.2510.45×72+45×0.18+4.537.58×978×7.2×1.2550.8×101-50.88.42×9.6+0.4×84248×0.25×0.23.6×1.9+36×

7、0.810.18＋4.26－0.18＋4.260.25×8.5×412.5×0.96×0.80.25×0.73×414.36×12.5×80.25×16.2×41.25×2.5×323.2×0.25×12.50.25×36(1.25－0.125)×84.8×10.13.6×1020.39×1990.32×4033.65×10.10.85×9.93.72×3.5＋6.28×3.515.6×2.1－15.6×1.13.83×4.56＋3.83×5.4456.5×99＋56.517.09×10.8－0.8×7.099.7×99＋9.74.2×99＋4.

8、227.5×3.7－7.5×3.73.9×2.7＋3.9×7.35.4×11-5.42.3×16+2.3×23+2.310.7×16.1