Răspunsuri

2014-04-26T12:47:13+03:00

a+b+c=81

b=a-8

c=a+38

a+a-8+a+38=81⇒3a+30=81⇒3a=51⇒a=17

Solutie:

a=17

b=a-8=17-8=9

c=a+38=17+38=55

2014-04-26T12:50:01+03:00