Răspuns :
x=primul numar
x:5=al doilea numar
x+10=al treilea numar
x+x:5+x+10=252
5x+x+5x+50=1260
11x=1260-50
11x=1210
x=1210:11
x=110
x:5=110:5
x:5=22
x+10=110+10
x=120
x:5=al doilea numar
x+10=al treilea numar
x+x:5+x+10=252
5x+x+5x+50=1260
11x=1260-50
11x=1210
x=1210:11
x=110
x:5=110:5
x:5=22
x+10=110+10
x=120
Notam cu a, b si c cele 3 numere.
a+b+c=252
a=5b
c=a+10
a
5b+b+5b+10=252, 11b=242,
b=22
a=5b=110
c=a+10=120
Verificare
110+22+120=252