若3m+6n-4=0,求8的m次方×64的n次方的值很急,先到先得

若3m+6n-4=0,求8的m次方×64的n次方的值很急,先到先得
若3m+6n-4=0,求8的m次方×64的n次方的值
很急,先到先得

若3m+6n-4=0,求8的m次方×64的n次方的值很急,先到先得
3m+6n-4=0
3m+6n=4
8的m次方×64的n次方
=(2³)的m次方×(2^6)的n次方
=2的3m次方×2的6n次方
=2的(3m+6n)次方
=2的4次方
=16

8^m×64^n
=2^(3m)×2^(6n)
=2^(3m+6n)
=2^4
=16

原式=2的3m+6n次方=2的4次方=16