3/2+7/6+13/12+21/20+31/30(简便计算)
答案:2 悬赏:50 手机版
解决时间 2021-02-27 15:28
- 提问者网友:遮云壑
- 2021-02-27 01:00
3/2+7/6+13/12+21/20+31/30(简便计算)
最佳答案
- 五星知识达人网友:酒醒三更
- 2021-02-27 01:14
5+1/2+1/6+1/12+1/20+1/30
=5+30/60+10/60+5/60+3/60+2/60
=5+50/60
=5+5/6
=35/6
=5+30/60+10/60+5/60+3/60+2/60
=5+50/60
=5+5/6
=35/6
全部回答
- 1楼网友:想偏头吻你
- 2021-02-27 01:59
5+1/2+1/(2*3)+1/(3*4)+1/(4*5)+1/(5*6)
=5+1/2+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6
=6-1/6=35/6
=5+1/2+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6
=6-1/6=35/6
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