Question

Aduceti la o forma mai simpla
a)$\frac{2}{5x} + \frac{3}{5x} - \frac{24}{10x}$
b)$\frac{5x+1}2y{} + \frac{7-3x}{2y} - \frac{4x-1}{4y}$

Answer 1

  2/5x +3/5x-24/10x=
=2/5x +3/5x-12/5x= -7/5x

  (5x+1) /2y +(7-3x)/2y -(4x-1)/4y=
=(10x+2+14-6x-4x+1) /4y=
=17 /4y