1.Vom folosi metoda figurativă :
/----------/
/---------/+1 } 363 in total
/---------/+1+1
__________________________________________________________
363 - 3 = 360
360 :3 = 120 → primul numar
120 + 1 = 121 → al doilea numar
121 + 1 +1 = 122 → al treilea numar
_________________________________________________________
Verificare :
120 + 121 +122 = 241 + 122 = 363
2.Algebric
a + b + c =363
b= a +1
c = a + 1 +1
a + (a+1) + (a+1+1)=363
a+a+a=363-3
a+a+a = 360
3a = 360
a = 360 : 3
a = 120
b = 120 +1
b = 121
c=120+1+1
c=122
