已知5x-4y-2=0 求(2^5x)/(4^2y)
3个回答
由5x-4y-2=0
故:5x =4y +2
故:2^5x = 2^(4x +2)
即:2^5x = 2^4x * 2^2
所以:(2^5x)/(4^2y)= 4
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