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时间:2019-10-31
《小数乘法简便运算练习题-(5063).docx》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、---.小数乘法简便运算练习题一、简便运算0.25×8.5×412.50.96×0.80.250×.73×44.3612.×5×80.2516×.2×41.252.5×323.20×.25×12.50.2536×二、简便运算(1.25-0.125)×84.8×10.13.6×1020.39×1990.32403×3.6510×.10.859.9×------.------.三、简便运算3.72×3.5+6.28×3.515.6×2.1-15.6×1.13.83×4.56+3.83×5.4456.5×99+56.57.09×10
2、.8-0.8×7.099.7×99+9.74.2×99+4.227.5×3.7-7.5×3.73.9×2.7+3.9×7.3四、简便运算------.------.2.3×16+2.3×23+2.35.411×-5.410.7×16.1-15.110×.77.74×(2.8-1.3)+1.5×2.2610.6×0.35-9.6×0.357.6×0.8+0.2×7.6五、简便运算1.28×8.6+0.72×8.60.65×1018.9×1.01六、简便运算4.8×7.8+78×0.52------.------.1.87×9.9
3、+0.1873.14×0.68+31.4×0.03212.7×9.9+1.273.65×4.7-36.5×0.37101×0.87-0.91×87七、用简便方法计算6.66×3.3+6.66×6.77.2×0.2+2.4×1.446×57+23×86------.------.小数乘法简便计算练习题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
4、运用乘法分配律进行计算0.25×8.5×412.5×0.96×0.80.25×0.73×44.36×12.5×80.25×16.2×41.25×2.5×323.2×0.25×12.50.25×36------.------.(1.25-0.125)×84.8×10.13.6×1020.39×1990.32×4033.65×10.10.85×9.93.72×3.5+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+0.18
5、74.2×99+4.2------.------.3.8×4.56+3.83×5.449.7×99+9.727.5×3.7-7.5×3.73.14×0.68+31.4×0.0327.2×0.2+2.4×1.45.4×11-5.47.74×(2.8-1.3)+1.5×2.263.9×2.7+3.9×7.312.7×9.9+1.272.3×16+2.3×23+2.33.65×4.7-36.5×0.37------.------.101×0.87-0.91×8746×57+23×8610.7×16.1-15.1×10.77.6×0.
6、8+0.2×7.61.28×8.6+0.72×8.610.6×0.35-9.6×0.358.9×1.010.65×10148×0.56+44×0.480.279×343+0.657×2790.264×519+264×0.4819.16×1.53-0.053×91.6------.------.0.125×9612.5×10.8(20-4)×0.2545×21-50×2.145×1.58+5.5×15.825×7.3×0.4------.------专业资料可修改可编辑范文范例可行性研究报告指导范文---
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