1.
[tex]ma = \frac{2.68 + 3.24}{2} [/tex]
Ma=5,92/2=2,69
2.x,y numerele
X=3y
X+y/2=14,5
3y+y/2=14,5
4y/2=14,5
2y=14,5
Y=7,25
X=3*7,25=21,75
3.6l+6t=32, 4
5t=12
t=12/5=2,4
6l+6*2,4=32,4
6l+14,4=32,4
6l=18/6
l=3
2 lalele=2*3=6lei
Răspuns:
Bună, sper ca te am ajutat!!!!!!
