Răspuns :
Răspuns:
[tex]a+b=150\\\\a=2b\\\\2b+b=150= > b=150:3= > b=50\\\\raspuns -d[/tex]
Răspuns:
x+y=150
x=2y
2y+y=150
3y=150
y=150/3=50 grade ,ungh.mai mic
x=2*50=100 grade
Răspuns:
[tex]a+b=150\\\\a=2b\\\\2b+b=150= > b=150:3= > b=50\\\\raspuns -d[/tex]
Răspuns:
x+y=150
x=2y
2y+y=150
3y=150
y=150/3=50 grade ,ungh.mai mic
x=2*50=100 grade