Răspuns :
a+b+c=246
b=2a
b=c-36⇒ c=2a+36
a+2a+2a+36=246
5a=210
a=42
b=42*2
b=84
c=84+36
c=120
b=2a
b=c-36⇒ c=2a+36
a+2a+2a+36=246
5a=210
a=42
b=42*2
b=84
c=84+36
c=120
a+b+c=246
b=2a
c=b+36
a+2a+2a+36=246
5a+36=246
5a=246-36
5a=210
a=210:5
a=42
b=42x2 c=42x2+36
b=2a
c=b+36
a+2a+2a+36=246
5a+36=246
5a=246-36
5a=210
a=210:5
a=42
b=42x2 c=42x2+36