Răspuns :
x+y+z=62.8
x=y/1,5
y+z=44,6
y/1,5+44,6=62,8⇒y/1,5=62,8-44,6⇒y/1,5=18,2⇒y=18,2*1,5⇒y=27,3;
x=27,3/1,5⇒x=18,2;
z=44,6-27,3⇒z=17,3.
Verificare:
18,2+17,3+27,3=62,8.
Bafta!
a + b + c = 62, 8 → suma celor trei numere
a = b : 1,5 ⇒ b = 1,5 x a
b + c = 44,6 → suma ultimelor doua numere
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