Question

a+b+c =120 a:b=1rest10>a=b+10 b:c=1rest10>b=c+10 Afla cele trei numere.

Answer 1

a+b+c=120

a=b+10

b=c+10

De aici rezulta ca a=c+20

a+b+c=120

c+20+c+10+c=120

3c=90/:3=>c=30 a=50 b=40

V:30+40+50=120

120=120 (adevărat )