Răspuns :
a+b+c= 242
(a+b):2= 70⇒ a+b= 140 ⇒a= 140-b
2(b+c)= 372⇒ b+c= 372:2⇒b+c= 186. ⇒ c= 186-b
140-b+b+186-b= 242
326 -b= 242
326-242=b
⇒ b= 84.
a= 140-84
a= 56
c= 186-84
c= 102.
(a+b):2= 70⇒ a+b= 140 ⇒a= 140-b
2(b+c)= 372⇒ b+c= 372:2⇒b+c= 186. ⇒ c= 186-b
140-b+b+186-b= 242
326 -b= 242
326-242=b
⇒ b= 84.
a= 140-84
a= 56
c= 186-84
c= 102.
a +b +c =242
a +b =140
c =242 -140
c =102
b +c =372 /2
b +c =186
b =186 -102
b =84
a =140 - 84
a =56
proba: 56 +84 +102 =242
56 +84 =140
84 +102 =186 186 * 2 =372
succes!! :))))))))
a +b =140
c =242 -140
c =102
b +c =372 /2
b +c =186
b =186 -102
b =84
a =140 - 84
a =56
proba: 56 +84 +102 =242
56 +84 =140
84 +102 =186 186 * 2 =372
succes!! :))))))))