2^(2+log2 5)—2^(log2 3乘以log3 5)的值为

问题描述:

2^(2+log2 5)—2^(log2 3乘以log3 5)的值为

2^(2+log2 5)—2^(log2 3乘以log3 5)的值为
=2^2*2^(log2 5)-2^(log2 5)
=4*5-5
=15