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时间:2020-03-11
《(精华版)小数加减乘除法简便运算练习题.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、小数简便运算练习(一)班级姓名得分4.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.24 2.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.98 0.134+2.66+0.8661.27+3.9+0.73+16.17.5+4.9-6.5 3.07-0.38-1.621.29+3.7+2.71+6.38-2.45-1.55 3.25+1.79-0.59+1.7523.4-0.8-13.4-7.20.32×403 3.2+0.36
2、+4.8+1.641.23+3.4-0.23+6.60.25×36 12.7-(3.7+0.84)36.54-1.76-4.540.25×0.73×4 7.6×0.8+0.2×7.60.85×1990.25×8.5×4 1.28×8.6+0.72×8.612.5×0.96×0.810.4-9.6×0.350.8×(4.3×1.25)3.12+3.12×9928.6×101-28.624 (4.23+6.17)×0.80.86×15.7-0.86×14.72.4×102 14-7.32-2.682.64+8.
3、67+7.36+11.332.31×1.2×0.5 (2.5-0.25)×0.49.16×1.5-0.5×9.163.6-3.6×0.5 4.5÷1.84.2÷3.5930÷0.6÷563.4÷2.5÷0.44.9÷1.43.9÷(1.3×5) (7.7+1.54)÷0.72.5×2.42.7÷45 0.35×1.25×2×0.832.4×0.9+0.1×32.415÷0.25 70÷2815÷(0.15×0.4)4.25÷2.5×9.9+0.17小数简便运算练习(二)班级姓名得分244.02+5.4+0.
4、985.17-1.8-3.213.75-(3.75+6.48) 3.68+7.56-2.687.85+2.34-0.85+4.6635.6-1.8-15.6-7.2 3.82+2.9+0.18+9.19.6+4.8-3.67.14-0.53-2.47 5.27+2.86-0.66+1.6313.35-4.68+2.6547.8-7.45+8.8 0.398+0.36+3.64 15.75+3.59-0.59+14.2542.5-(6.07+1.13) 73.8-1.64-13.8-5.3666
5、.86-8.66-1.340.25×16.2×4 3.72×3.5+6.28×3.536.8-3.9-6.125.48-(9.4-0.52) 4.8×7.8+78×0.523.6×1026.4×0.25+3.6÷4 32+4.9-0.94.8-4.8×0.5(1.25-0.125)×8 4.8×100.156.5×9.9+56.57.09×10.8-0.8×7.09 4.2÷3.5320÷1.25÷818.76×9.9+18.76 3.52÷2.5÷0.44.78÷0.2+3.443.9-4.1+6.1-5
6、.924 0.49÷1.41.25×2.5×323.6-0.6×2 3.65×10.13.6-3.6×0.815.2÷0.25÷4 5.6÷3.59.6÷0.8÷0.44.2×99+4.2 0.89×100.1146.5-(23+46.5)17.8÷(1.78×4) 5.83×2+4.27(45.9-32.7)÷8÷0.1259.7×99+9.7 4.36×12.5×815.6×13.1-15.6-15.6×2.10.65×101 27.5×3.7-7.5×3.78.54÷2.5÷0.43.83×4.5
7、6+3.83×5.44小数乘法简便计算练习题班级姓名小数乘法的简便计算的方法:1、乘法交换律与结合律、分配率的运用。(整数的运算定律在小数中同样适用)2、表面上看来,左右两边没有相同的因数,不能使用乘法分配律。我们可以通过变一变,分一分的方法找出相同因数再运用乘法分配律进行计算240.25×8.5×412.5×0.96×0.80.25×0.73×44.36×12.5×80.25×16.2×41.25×2.5×323.2×0.25×12.50.25×36(1.25-0.125)×84.8×10.13.6×1020.39
8、×1990.32×4033.65×10.10.85×9.93.72×3.5+6.28×3.515.6×2.1-15.6×1.14.8×7.8+78×0.5256.5×99+56.57.09×10.8-0.8×7.091.87×9.9+0.1874.2×99+4.23.8×4.56+3.83×5.449.7×99+9.727.5×3.7-7.5×
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