1/3+1/5+1/7+1/9+1/11+1/33+1/35+1/45+1/55+1/77=?
问题描述：
1/3+1/5+1/7+1/9+1/11+1/33+1/35+1/45+1/55+1/77=?
答
1/3+1/5+1/7+1/9+1/11+1/33+1/35+1/45+1/55+1/77 =1/3+1/5+1/7+1/9+1/11+(1/3-1/11)/8+(1/5-1/7)/2 +(1/5-1/9)/4+(1/5-1/11)/6+(1/7-1/11)/4 =1/3+1/5+1/7+1/9+1/11+(1/3)/8-(1/11)/8+(1/5)/2-(1/7)/2+ (1/5)/4-(1/9...