若4^x+y*5^2(x+y)=10^36,求6x+6y的值
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若4^x+y*5^2(x+y)=10^36,求6x+6y的值
若4^x+y*5^2(x+y)=10^36,求6x+6y的值
若4^x+y*5^2(x+y)=10^36,求6x+6y的值
4^(x+y)×5^[2(x+y)]=2^[2(x+y)]×5^(2(x+y)]=(2×5)^[2(x+y)]=10^[2(x+y)]=10^36所以2(x+y)=36x+y=18故6(x+y)=6*18=108
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