怎样计算（log2)^2+(log5)^2+(2log2)log5

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怎样计算（log2)^2+(log5)^2+(2*log2)*log5怎样计算（log2)^2+(log5)^2+(2*log2)*log5怎样计算（log2)^2+(log5)^2+(2*log2)

怎样计算（log2)^2+(log5)^2+(2*log2)*log5
怎样计算（log2)^2+(log5)^2+(2*log2)*log5

怎样计算（log2)^2+(log5)^2+(2*log2)*log5
首先这是个完全平方式,先进行合并
（log2)^2+(log5)^2+(2*log2)*log5=(log2+log5)^2
然后根据对数函数的性质log2+log5=log(2*5)=log10=1
所以结果为1^2=1

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