5.6乘6.9加0.58乘32减5.8乘0.1简算
答案:1 悬赏:50 手机版
解决时间 2021-04-17 06:03
- 提问者网友：欲望失宠
- 2021-04-16 06:55
5.6乘6.9加0.58乘32减5.8乘0.1简算
最佳答案
- 五星知识达人网友：深街酒徒
- 2021-04-16 07:20
5.6×6.9＋0.58×32-5.8×0.1
= 5.6×6.9＋5.8×3.2-5.8×0.1
= 5.6×6.9＋5.8×(3.2-0.1)
=5.6×(10-3.1)+5.8×3.1
=5.6×10-5.6×3.1+5.8×3.1
=5.6×10+(5.8-5.6)×3.1
=56+0.2×3.1
=56.62
= 5.6×6.9＋5.8×3.2-5.8×0.1
= 5.6×6.9＋5.8×(3.2-0.1)
=5.6×(10-3.1)+5.8×3.1
=5.6×10-5.6×3.1+5.8×3.1
=5.6×10+(5.8-5.6)×3.1
=56+0.2×3.1
=56.62
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