Question

39.2 (1,2 ) срочно пж ​

Answer 1

Ответ:

$1)\frac{x}{5}+\frac{y}{5}=\frac{x+y}{5}\\\\2)\frac{a}{4}+\frac{b}{4} = \frac{a+b}{4}\\\\3)\frac{5b^{2}}{3a}+\frac{13b^{2}}{3a}=\frac{18b^{2}}{3a}=\frac{6b^{2}}{a}$