ПОМОГИТЕ СРОЧНО, ПОЖАЛУЙСТА!!!!!! −2,2⋅(lg16+lg81)/2lg2+2lg3. Created by melodywhite. algebra-ru

2lg2+2lg3...

melodywhite @melodywhite

July 2022 1 14 Report

ПОМОГИТЕ СРОЧНО, ПОЖАЛУЙСТА!!!!!!
−2,2⋅(lg16+lg81)/2lg2+2lg3

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Universalka

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$-2,2*\frac{lg16+lg81}{2lg2+2lg3}=-2,2*\frac{lg2^{4}+lg3^{4}}{2(lg2+lg3)}=-2,2*\frac{4lg2+4lg3}{2(lg2+lg3)}=-2,2*\frac{4(lg2+lg3)}{2(lg2+lg3)}==-2,2*2=-4,4$

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