Question

Suma a 3 nr naturale consecutive este48. Determinati numerele.

Answer 1

rapsuns:

nr sunt 15,16 si 17.

explicatie:

a,b,c- nr consecutive => b=a+1 ; c=a+2

a+b+c=48

inlocuim

a+a+1+a+2=48

3a+3=48

3a=48-3

3a=45

a=45:3

a=15

b=15+1

b=16

c=15+2

c=17

sper ca te am ajutat, coronita?<3