сократите дробь: 10а^2-6a+5ab-3b/5a^2-8a+3...Пожалуйста((((((((. Created by TkLena. algebra-ru

5a^2-8a+3...Пожалуйста((((((((...

TkLena @TkLena

July 2022 1 1 Report

сократите дробь: 10а^2-6a+5ab-3b/5a^2-8a+3...Пожалуйста((((((((

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krodd2

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$\frac{10a^2-6a+5ab-3b}{5a^2-8a+3}=\frac{(10a^2+5ab)-(6a+3b)}{5(a-1)(a-\frac{3}{5}) }=\\ =\frac{5a(2a+b)-3(2a+b)}{(a-1)(5a-3)}=\frac{(2a+b)(5a-3)}{(a-1)(5a-3)}=\frac{2a+b}{a-1}$

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massa 1 km kontaktnogo provoda na elektrificirovannyh zheleznyh dorogah ravno 890

5a2 8a3 nado sokratit drobi

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