3 вариант срочно.....

Question

3 вариант срочно.....

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Answer 1

1)log₁₂4+log₁₂36=log₁₂(36·4)=log₁₂144=log₁₂(12²)=2

2)log₃(5/3)-log₃15=log₃(5/45)=log₃(1/9)=log₃(3⁻²)=-2

3)4^(log₄6-2)=(4^log₄6)/16=6/16=3/8

4)lg10=log₁₀10=1

5)log₅625=log₅(5⁴)=4