15 БАЛЛОВ!Найдите значения выражения а(в-3а)^2/3а^2-ав -3а при а=2,18 в=-5.6. Created by diananazarova2. matematika-ru

3а^2-ав -3а при а=2,18 в=-5.6...

diananazarova2 @diananazarova2

August 2022 1 16 Report

15 БАЛЛОВ!Найдите значения выражения а(в-3а)^2/3а^2-ав -3а при а=2,18 в=-5.6

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nafanya2014

Verified answer

$\frac{a(b-3a) ^{2} }{3a ^{2}-ab-3a } = \frac{a(b-3a) ^{2} }{a(3a -b-3) }= \frac{(b-3a) ^{2} }{3a -b-3 }$
При а=2,18; b=-5,6
$\frac{(-5,6-3\cdot2,18) ^{2} }{3\cdot2,18 -(-5,6)-3 }= \frac{12,14\cdot12,14}{9,14}=$

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Answers & Comments

Verified answer

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