(1+1⼀2)*(1-1⼀3)*(1+1⼀4)*(1-1⼀5)*(1+1⼀6)*(1-1⼀7)

2025-02-23 09:47:28
推荐回答(2个)
回答1:

(1+1/2)*(1-1/3)*(1+1/4)*(1-1/5)*(1+1/6)*(1-1/7)

=3/2*2/3*5/4*4/5*7/6*6/7
=1

回答2:

等于1