(1+1/51)x(1-1/51)x(1+1/52)x(1-1/52)x...x(1+1/152)x(1-1/152)=?
问题描述:
(1+1/51)x(1-1/51)x(1+1/52)x(1-1/52)x...x(1+1/152)x(1-1/152)=?
答
(1+1/51)x(1-1/51)x(1+1/52)x(1-1/52)x...x(1+1/152)x(1-1/152)
=52/51x53/52x……x153/152x50/51x51/52x……x151/152
=153/51x50/152
=3x50/152
=75/76文字啊(1+1/51)x(1-1/51)x(1+1/52)x(1-1/52)x...x(1+1/152)x(1-1/152)=(1+1/51)x(1+1/52)x...x(1+1/152)x(1-1/51)x(1-1/52)x...x(1-1/152)=52/51x53/52x……x153/152x50/51x51/52x……x151/152=153/51x50/152=3x50/152=75/76等等我买零食来了我写了后 给你采纳