Сократите дробь: 1) 3ab _______ 4а^3 2) 7а^2b _______ 14ab 3) 18b^2-12ab ____________ 6a-9b. Created by PoLY152. algebra-ru

Сократите дробь: 1) 3ab _______ 4а^3 2) 7а^2b _______ 14ab 3) 18b^2-12ab ______

PoLY152 @PoLY152

August 2021 1 7 Report

Сократите дробь: 1)
3ab
_______
4а^3

2) 7а^2b
_______
14ab

3) 18b^2-12ab
____________
6a-9b

Answers & Comments

EADF

Ответ:

1).

$\frac{3ab}{4 {a}^{3} } = \frac{3b}{4a {}^{2} }$

2).

$\frac{7 {a}^{2} b}{14ab} = \frac{a}{2}$

3).

$\frac{18 {b}^{2} - 12ab }{6a - 9b} = \frac{6(3 {b}^{ {}^{}2 } - 2ab) }{3(2a - 3b)} = \frac{2(3 {b}^{2 } - 2ab) }{2a - 3b}$

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Answers & Comments

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