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F.4 log - Yahoo!知識+

Simplify:1. log ab^2 + log ab - 3log b / log a^1/22. log x^4 - log x^ 1/2 / log x^4 + log x^1/2Solve:1. log( 3x + 1) = 10002. log (x + 3)= log (x + 1) - 13. 3/4 log x = log 27^ 1/2...

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