(log5)+(log2)(log50)的值!急用,谢咯!

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(log5)+(log2)(log50)的值!急用,谢咯!

(log5)+(log2)(log50)的值!急用,谢咯!
(log5)+(log2)(log50)的值!急用,谢咯!

(log5)+(log2)(log50)的值!急用,谢咯!
我觉得应该是lg吧 原式=(lg5)+(lg2)(lg(25×2))=(lg5)+(lg2)(lg5+lg2)=(lg5)+(lg2)(2lg5+lg2) =(lg5)+2lg5lg2+(lg2)=(lg5+lg2)=(lg10)=1=1