Răspuns :
a|-----|-----|-----| sau 3a-a=2a (600 ) a=600:2=300 300*3=900 3a
b|-----|
Cat e b ?
6oo:2=300(b)
Cat e a ?
300*3=900
Sper ca te -am ajutat
b|-----|
Cat e b ?
6oo:2=300(b)
Cat e a ?
300*3=900
Sper ca te -am ajutat
a-b=600
a=3b
⇒3b-b=600
⇒2b=600
⇒b=600/2
⇒b=300;
⇒a=3b
⇒a=3·300
⇒a=900;
sau a=b+600
⇒a=300+600
⇒a=900;
Verificare 900-300=600;
a=3b
⇒3b-b=600
⇒2b=600
⇒b=600/2
⇒b=300;
⇒a=3b
⇒a=3·300
⇒a=900;
sau a=b+600
⇒a=300+600
⇒a=900;
Verificare 900-300=600;