упростите дробн выражение. a-3b/2a-2b - a+2b/3a-3b.. Created by ylisholo. algebra-ru

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June 2022 1 14 Report

упростите дробн выражение. a-3b/2a-2b - a+2b/3a-3b.

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VekaSolnce $\frac{a-3b}{2a-2b} - \frac{a+2b}{3a-3b}= \frac{a-3b}{2(a-b)} - \frac{a+2b}{3(a-b)}=\frac{3(a-3b)}{6(a-b)} - \frac{2(a+2b)}{6(a-b)}=$
$=\frac{3a-9b-2a-4b}{6(a-b)} =\frac{a-13b}{6(a-b)}$

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