7/8-(7/10-7/8)怎么算
答案:3 悬赏:30 手机版
解决时间 2021-03-22 07:28
- 提问者网友：最美的风景
- 2021-03-21 11:28
7/8-(7/10-7/8)怎么算
最佳答案
- 五星知识达人网友：空山清雨
- 2021-03-21 11:47
7/8-(7/10-7/8)
=7/8-7/10+7/8
=7/8+7/8-7/10
=14/8-7/10
=70/40-28/40
=42/40
=21/20
=7/8-7/10+7/8
=7/8+7/8-7/10
=14/8-7/10
=70/40-28/40
=42/40
=21/20
全部回答
- 1楼网友：归鹤鸣
- 2021-03-21 13:51
7/8-(7/10-7/8)
=7/8-7/10+7/8
=7/8+7/8-7/10
=7/4-7/10
=21/20
=7/8-7/10+7/8
=7/8+7/8-7/10
=7/4-7/10
=21/20
- 2楼网友：孤老序
- 2021-03-21 13:00
=7/8-7/10+7/8
=7/4-7/10
=35/20-14/20
=21/20
=7/4-7/10
=35/20-14/20
=21/20
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