4.75×2.3+62.5-23×0.1简算
答案:1 悬赏:20 手机版
解决时间 2021-03-28 01:37
- 提问者网友：放下
- 2021-03-27 18:27
4.75×2.3+62.5-23×0.1简算
最佳答案
- 五星知识达人网友：低血压的长颈鹿
- 2021-03-27 18:58
4.75×2.3+62.5-23×0.1
=0.475×23-23×0.1+62.5
=23×（0.475-0.1）+62.5
=23×0.375+62.5
=23×3/8+62.5
=69/8+62.5
=8.625+62.5
=71.125
=0.475×23-23×0.1+62.5
=23×（0.475-0.1）+62.5
=23×0.375+62.5
=23×3/8+62.5
=69/8+62.5
=8.625+62.5
=71.125
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