Question

rezolvati
3 supra a+2supra a+11 supra a
si 2x supra y+7x supra y+11x supra y

Answer 1

$\frac{3}{a} + \frac{2}{a} + \frac{11}{a} = \frac{3+2+11}{a} = \frac{16}{a}$

$\frac{2x}{y} + \frac{7x}{y} + \frac{11x}{y} = \frac{2x+7x+11x}{y} = \frac{20x}{y}$