1/8128+1/254+1/508+1/1016+1/2032+1/4064+1/8128=?
问题描述：
1/8128+1/254+1/508+1/1016+1/2032+1/4064+1/8128=?
1：
斜杠前的是分子,斜杠后的是分母.
2：
用拖式.
答
1/8128+1/254+1/508+1/1016+1/2032+1/4064+1/8128=1/254+1/508+1/1016+1/2032+1/4064+1/8128+1/8128=1/254+1/508+1/1016+1/2032+1/4064+1/4064=1/254+1/508+1/1016+1/2032+1/2032=1/254+1/508+1/1016+1/1016=1/254+1...