知识拓展12 n
a a am n3
m n
(1)若n为正整数,a a a 则 n =____
a a a ,则m =_____m 2 4m n
(2)若 a 2, a 4 ,则m n
a
m n
____的值
(3)若 a 4, a 5 ,求 a
3m 2n
知识拓展12 n
a a am n3
m n
(1)若n为正整数,a a a 则 n =____
a a a ,则m =_____m 2 4m n
(2)若 a 2, a 4 ,则m n
a
m n
____的值
(3)若 a 4, a 5 ,求 a
3m 2n