95° Вправа 95Алгебра 8 клас Тарасенкова 2025 · § 2 · стор. 31

95. Скоротіть дріб.

1) ${\displaystyle \frac{15x}{5a}=}$${\displaystyle \frac{\stackrel{3}{\cancel{15}}x}{\underset{1}{\cancel{5}}\cdot a}=}$${\displaystyle \frac{3x}{a}}$;

2) ${\displaystyle \frac{28xy}{14a}=}$${\displaystyle \frac{\stackrel{2}{\cancel{28}}xy}{\underset{1}{\cancel{14}}\cdot a}=}$${\displaystyle \frac{2xy}{a}}$;

3) ${\displaystyle \frac{5a^4}{6a^2}=}$${\displaystyle \frac{\cancel{a^2}\cdot 5a^2}{\cancel{a^2}\cdot 6}=}$${\displaystyle \frac{5a^2}{6}}$;

4) ${\displaystyle \frac{36x^4{y}^2}{16x^2{y}^4}=}$${\displaystyle \frac{\cancel{4x^2{y}^2}\cdot 9x^2}{\cancel{4x^2{y}^2}\cdot 4y^2}=}$${\displaystyle \frac{9x^2}{4y^2}}$.