50分之3*20*10分之7 （39-27分之26）*13分之1 6分之5*3分之1*5分之6 140*（5/7-1/2） 11/39*13/56*7/88
答案:1 悬赏:40 手机版
解决时间 2021-04-07 21:33
- 提问者网友：爱唱彩虹
- 2021-04-06 22:41
50分之3*20*10分之7 （39-27分之26）*13分之1 6分之5*3分之1*5分之6 140*（5/7-1/2） 11/39*13/56*7/88
最佳答案
- 五星知识达人网友：杯酒困英雄
- 2021-04-07 00:11
注：1/2 表示2分之1 下同
3/50x20x7/10
=(3x20x7)/(50x10)
=21/25
(39-26/27)x1/13
=39x1/13-26/27x1/13
=3-2/27
=79/27
5/6x1/3x6/5
=5/6x6/5x1/3
=1x1/3
=1/3
140x(5/7-1/2)
=140x5/7-140x1/2
=100-70
=40
11/39x13/56x7/88
=11/168x7/88
=1/192
39x22x7/13x4/11
=(39x7/13)x(22x4/11)
=21x8
=168
21x4/3x5/12
=28x5/12
=35/3
7/8x7/15+8/15x7/8
=7/8x(7/15+8/15)
=7/8x1
=7/8来自：求助得到的回答
3/50x20x7/10
=(3x20x7)/(50x10)
=21/25
(39-26/27)x1/13
=39x1/13-26/27x1/13
=3-2/27
=79/27
5/6x1/3x6/5
=5/6x6/5x1/3
=1x1/3
=1/3
140x(5/7-1/2)
=140x5/7-140x1/2
=100-70
=40
11/39x13/56x7/88
=11/168x7/88
=1/192
39x22x7/13x4/11
=(39x7/13)x(22x4/11)
=21x8
=168
21x4/3x5/12
=28x5/12
=35/3
7/8x7/15+8/15x7/8
=7/8x(7/15+8/15)
=7/8x1
=7/8来自：求助得到的回答
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