1x(1+10%)+
1x(1+10%)的計算公式
10000*[(1+10%)+(1+10%)?^2+(1+10%)?^3+……+(1+10%)^50]
=10000*{(1+10%)*[(1+10%)^50-1]}/10%
註:(1+10%)2 =(1+10%)?
妳不能把本金加到最後的數字上。