(1.25×74 12.5×2.6)×4的简便计算
答案:3 悬赏:10 手机版
解决时间 2021-04-06 00:43
- 提问者网友：感性作祟
- 2021-04-05 02:57
(1.25×74 12.5×2.6)×4的简便计算
最佳答案
- 五星知识达人网友：愁杀梦里人
- 2021-04-05 03:11
(1.25×74+12.5×2.6)×4
=1.25x(74+10x2.6)x4
=(74+26)x1.25x4
=100x5
=500
谢谢，请采纳
=1.25x(74+10x2.6)x4
=(74+26)x1.25x4
=100x5
=500
谢谢，请采纳
全部回答
- 1楼网友：轮獄道
- 2021-04-05 03:57
1.25乘以三点6+2点二五×5点六的简便运算=1.25x3.6+1.25x5.6+5.6=1.25x（3.6+5.6）+5.6=1.25x9.2+5.6=1.25x10-1.25x0.8+5.6=12.5-1+5.6=11.5+5.5+0.1=17.1
- 2楼网友：蕴藏春秋
- 2021-04-05 03:39
(1.25×74+12.5×2.6)×4
=（1.25×74+1.25×26）×4
=[1.25×（74+26）]×4
=[1.25×100]×4
=125×4
=500
=（1.25×74+1.25×26）×4
=[1.25×（74+26）]×4
=[1.25×100]×4
=125×4
=500
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