2的坦虚2m-1次方*16*8的让配燃卖大m-1次方+(-4^m)*8^m
=2^(2m-1)×2^4×2^(3m-3)-2^2m×2^3m
=2^5m-2^5m
=0
计算:2的2m-1次方*16*8的m-1次方+(-4^m)*8^m
2的坦虚2m-1次方*16*8的让配燃卖大m-1次方+(-4^m)*8^m
=2^(2m-1)×2^4×2^(3m-3)-2^2m×2^3m
=2^5m-2^5m
=0
2的坦虚2m-1次方*16*8的让配燃卖大m-1次方+(-4^m)*8^m
=2^(2m-1)×2^4×2^(3m-3)-2^2m×2^3m
=2^5m-2^5m
=0