Question

X
=
4
5?
, aflați
3x+2y
2y
y

Answer 1

(3x+2y) /2y = 3x/2y + 2y/2y = 3/2*(x/y) + 1 = 3/2* 4/5 + 1= 6/5 + 1 = 6/5 + 5/5 = 11/5

Answer 2

Răspuns:

$\frac{3x + 2y}{2y } = \frac{ \frac{3x}{y} + 2 }{2}$

Explicație pas cu pas:

$\frac{3 \times \frac{4}{5} + 2}{2} = \frac{12 + 10}{10} = \frac{22}{10} \\ \frac{11}{5}$