2/5+3/5x2/3=多少
答案:2 悬赏:30 手机版
解决时间 2021-04-08 08:19
- 提问者网友:欺烟
- 2021-04-07 09:44
2/5+3/5x2/3=多少
最佳答案
- 五星知识达人网友:玩家
- 2021-04-07 10:46
2/5+3/5x2/3
=2/5+2/5
=4/5
(1/4+5/6)x6/5
=13/12×6/5
=13/10
=2/5+2/5
=4/5
(1/4+5/6)x6/5
=13/12×6/5
=13/10
全部回答
- 1楼网友:过活
- 2021-04-07 12:19
47.5×2.3+3.4x52.5+7.5x1.1 =47.5×2.3+(2.3+1.1)x52.5+7.5x1.1 =47.5×2.3+2.3×52.5+1.1x52.5+7.5x1.1 =2.3×(47.5+52.5)+1.1×(52.5+7.5) =2.3×100+1.1×60 =230+66 =296
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