Question

a,b,c are suma 30 si este d.p. cu numerele 2,3,5

Answer 1

a+b+c=30
{a, b, c} d.p. {2, 3, 5}
=>a/2=b/3=c/5=k
=>a=2k
=>b=3k
=>c=5k
a+b+c=2k+3k+5k=30
=>10k=30
k=30:10=3
a=2k=2×3=6
b=3k=3×3=9
c=5k=5×3=15

Verificare: 6+9+15=30