3.96乘以0.9加39.6怎么简便
答案:4 悬赏:70 手机版
解决时间 2021-11-11 15:37
- 提问者网友：疯孩纸
- 2021-11-10 23:34
3.96乘以0.9加39.6怎么简便
最佳答案
- 五星知识达人网友：冷風如刀
- 2021-11-11 00:06
题目是不是错了，39.6乘以0.9加3.96可以简便
39.6×0.9+3.96
=39.6×0.9+39.6×0.1
=39.6×(0.9+0.1)
=39.6×1
=39.6
39.6×0.9+3.96
=39.6×0.9+39.6×0.1
=39.6×(0.9+0.1)
=39.6×1
=39.6
全部回答
- 1楼网友：一把行者刀
- 2021-11-11 01:10
3.96*0.9+39.6=3.96*1-3.96*0.1+39.6=43.164 约=43.2
- 2楼网友：过活
- 2021-11-11 00:59
3.96乘以0.9加39.6
=3.96*（0.9+10）
=3.96*（11-0.1）
=43.56-0.396
=43.164
=3.96*（0.9+10）
=3.96*（11-0.1）
=43.56-0.396
=43.164
- 3楼网友：青尢
- 2021-11-11 00:38
3.96乘以0.9加39.6
=3.96x0.9+39.6
=3.96x(1-0.1)+39.6
=3.96-0.396+39.6
=43.164
=3.96x0.9+39.6
=3.96x(1-0.1)+39.6
=3.96-0.396+39.6
=43.164
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