3.61*9.9+36.1用简便方法怎么算
答案:5 悬赏:10 手机版
解决时间 2021-04-12 22:54
- 提问者网友：自食苦果
- 2021-04-12 16:25
3.61*9.9+36.1用简便方法怎么算
最佳答案
- 五星知识达人网友：十年萤火照君眠
- 2021-04-12 17:41
3.61*9.9+36.1
=3.61*(10-0.1)+36.1
=36.1-0.361+36.1
=72.2-0.361
=71.839
=3.61*(10-0.1)+36.1
=36.1-0.361+36.1
=72.2-0.361
=71.839
全部回答
- 1楼网友：底特律间谍
- 2021-04-12 21:07
解:
3.61*9.9+3.61
=3.61*(10-0.1)+36.1
=3.61*10-3.61*0.1+36.1
=36.1-0.361+36.1
=72.2-0.361
=71.839
用计算机, :)
3.61*9.9+3.61
=3.61*(10-0.1)+36.1
=3.61*10-3.61*0.1+36.1
=36.1-0.361+36.1
=72.2-0.361
=71.839
用计算机, :)
- 2楼网友：纵马山川剑自提
- 2021-04-12 20:09
3.61*10-3.61*0.1+36.1
- 3楼网友：想偏头吻你
- 2021-04-12 18:36
解：原式=3.61×（10-0.1）+3.61×10
=3.61×（10-0.1+10）
=3.61×（20-0.1）
=3.61×20-3.61×0.1
=72.2-0.361
=71.839
=3.61×（10-0.1+10）
=3.61×（20-0.1）
=3.61×20-3.61×0.1
=72.2-0.361
=71.839
- 4楼网友：第幾種人
- 2021-04-12 18:12
3.61×9.9+36.1
=3.61×9.9 + 3.61×10
=3.61×19.9
=3.61×（20-0.1）
=72.2-0.361
=71.839
=3.61×9.9 + 3.61×10
=3.61×19.9
=3.61×（20-0.1）
=72.2-0.361
=71.839
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