1⼀10-1⼀9-1⼀8-1⼀7-1⼀6-1⼀5-1⼀4-1⼀3-1⼀2=?

打错了,对不起,是1⼀10+1⼀9+1⼀8+1⼀7+1⼀6+1⼀5+1⼀4+1⼀3+1⼀2=?
2025-01-24 13:21:31
推荐回答(1个)
回答1:

=(1/2+1/3+1/6)+(1/4+1/5+1/10)+1/7+1/8+1/9
=1+11/20+1/8+1/7+1/9
=1+27/40+1/9+1/7
=1+283/360+1/7
=1+2341/2520
=4861/2520
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