幂的乘方法则的推导过程对于任意指数a,当a,m是正整数时,(a的m次方)的n次方=a的m次方·a的m次方·a的m次方·a的m次方·a的m次方·················有n个a的m次方跟据是?
问题描述:
幂的乘方法则的推导过程
对于任意指数a,当a,m是正整数时,
(a的m次方)的n次方=a的m次方·a的m次方·a的m次方·a的m次方·a的m次方·················有n个a的m次方跟据是?
答
a的n次方=a·a·a……共n个a,将a的m次方看成b,则(a的m次方)的n次方=b的n次方=b·b·b……共n个b=a的m次方·a的m次方·a的m次方·················有n个a的m次方=(a·a·a……共n个a)·(a·a·a...