(59+59+59+59+59+1250)x(1+r)-5=1000求r

问题描述:

(59+59+59+59+59+1250)x(1+r)-5=1000求r

给你一个完整的过程:
(59+59+59+59+59+1250)×(1+r)=1005
(5×59+1250)×(1+r)=1005
5×(59+250)×(1+r)=1005
(59+250)×(1+r)=201
309×(1+r)=201
1+r=67/103
r=-36/103