Question

Suma a trei numere consecutive este 21.Afla numerele

Answer 1

a+b+c=21
-sunt numere consecutive

a /------/
b /------/...1
c /------/.....2
3 segmente

21-2-1=18 noua suma
18:3=6 a
6+1=7 b
6+2=8 c

Answer 2

Deci ASa:
a+b+c=21
-sunt numere consecutive 

a |------|
b |------|...1              } 3 segm.
c |------|......2

21-2-1=18 noua suma
18:3=6(a)
6+1=7 (b)
6+2=8 (c)
Sper ca te-am ajutat