[讨论]math

jackco

3^6x=8100, 3^(x-1)^3=?

猫猫头

这个题目已经讲过N边啦
3^6x=(3^3x)^2
3^(x-1)^3=(3^3x)/(3^3)

jackco

if it likes you said, it should be 3^(x-1)*3,not 3^(x-1)^3, right?

tongxun

jackco：
  我觉得这个题目绝对有问题，根本做不出来。