№ 2.3 Алгебра = № 2.3 Математика
Скоротіть дріб:
$1)\ \frac{15ab}{20am}$;
$2)\ \frac{-2a^{2}m}{5ap}$;
$3)\ \frac{16ax^{2}}{20xb}$;
$4)\ \frac{-8m^{2}n}{-2n^{3}}$;
$5)\ \frac{-ap^{2}}{p^{3}c}$;
$6)\ \frac{4abc}{12ac^{3}}$;
$7)\ \frac{26m^{2}n}{39mn^{2}}$;
$8)\ \frac{a^{5}c^{4}}{-c^{3}a^{6}}$
Розв'язок:
1) $\frac{15ab}{20am}\ = \frac{3b}{4m};$
2) $\frac{-2a^2m}{5ap}\ = -\frac{2am}{5p};$
3) $\frac{16ax^2}{20xb}\ = \frac{4ax}{5b};$
4) $\frac{-8m^2n}{-2n^3}\ = \frac{4m^2}{n^2};$
5) $\frac{-ap^2}{p^3c}\ = -\frac{a}{pc};$
6) $\frac{4abc}{12ac^3}\ = \frac{b}{3c^2};$
7) $\frac{26m^2n}{39mn^2}\ = \frac{2m}{3n};$
8) $\frac{a^5c^4\ }{-c^3a^6}\ = -\frac{c}{a}.$