1.25×0.7+1.25×1.2+0.125的简便运算
答案:2 悬赏:40 手机版
解决时间 2021-04-05 04:37
- 提问者网友：谁的错
- 2021-04-04 16:28
1.25×0.7+1.25×1.2+0.125的简便运算
最佳答案
- 五星知识达人网友：長槍戰八方
- 2021-04-04 18:02
用乘法分配律简便计算。
1.25×0.7+1.25×1.2+0.125
=1.25×0.7+1.25×1.2+1.25×0.1
=1.25×(0.7+1.2+0.1)
=1.25×2
=2.5
1.25×0.7+1.25×1.2+0.125
=1.25×0.7+1.25×1.2+1.25×0.1
=1.25×(0.7+1.2+0.1)
=1.25×2
=2.5
全部回答
- 1楼网友：轻雾山林
- 2021-04-04 19:06
1.25×0.7+1.25×1.2+0.125
=1.25×0.7+1.25×1.2+1.25x0.1
=1.25x(0.7+1.2+0.1)
=1.25x2
=2.5
=1.25×0.7+1.25×1.2+1.25x0.1
=1.25x(0.7+1.2+0.1)
=1.25x2
=2.5
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