1-1⼀2+1⼀3-1⼀4+1⼀5-1⼀6+1⼀7-1⼀8+1⼀9-1⼀10 的最简便算法是?

越简单越好,计算机算法微积分算法什么的就算了~
2024-12-02 02:31:42
推荐回答(1个)
回答1:

1-1/2+1/3-1/4+1/5-1/6+1/7-1/8+1/9-1/10
=(1-1/2-1/4-1/8)+(1/3-1/6+1/9)+(1/5-1/10)+1/7
=1/8+5/18+1/5+1/7
=13/40+53/126
=1879/2520