已知2的m次方=5,2的n次方=3,求2的3m+4n次方
问题描述:
已知2的m次方=5,2的n次方=3,求2的3m+4n次方
答
2^(3m+4n)
=2^3m×2^4n
=(2^m)^3×(2^n)^4
=5^3×3^4
=125×81
=10125
答
已知2的m次方=5,2的n次方=3,
2的3m+4n次方
=2^(3m)×2^(4n)
=(2^m)^3×(2^n)^4
=5^3×3^4
=125×81
=10125;
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