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(log2)^2+(log5)^2+log2*log25

分类: 作业答案 • 2022-03-14 19:47:07

问题描述：

(log2)^2+(log5)^2+log2*log25

答

(log2)^2+(log5)^2+log2*log25
=(log2)^2+(log5)^2+log2*2log5
=(lg2+lg5)^2
=1