(1+1⼀2)*(1+1⼀4)*(1+1⼀6)*...*(1+1⼀10)*(1-1⼀3)*(1-1⼀50)*...*(1-1⼀9)=?

2025-01-07 05:17:32
推荐回答(1个)
回答1:

=11/10

(1+1/2)*(1-1/3)=1
(1+1/4)*(1-1/5)=1
.。。。。
(1+1/8)*(1-1/9)=1
还剩下11/10