(1+2⼀3)*(1-2⼀3)*(1+2⼀5)*(1-2⼀5)*?^^^^^^*(1+2⼀99)*(1-2⼀99)

2024-11-22 02:19:33
推荐回答(3个)
回答1:

(1+2/3)*(1-2/3)*(1+2/5)*(1-2/5)*......*(1+2/99)*(1-2/99)
=5/3*1/3*7/5*3/5*....99/97*95/97*101/99*97/99
=1/3*101/99
=101/297

回答2:

101/297

回答3:

101/297
化简然后约分