Question

suma a trei numere consecutive ipare este.33.care sunt numerele?

Answer 1

Răspuns:

a+b+c=33

b=a+2

c=a+4

a+a+2+a+4=33

3a=33-2-4

3a=27

a=27:3

a=9

b=a+2=9+2=11

c=a+4=9+4=13

9+11+13=33

Answer 2

x+(x+2)+(x+4)=33
x+x+x=33-2-4
3x=27 |:3
x=9 (primul nr)
x+2=9+2=11 (al doilea nr)
x+4=9+4=13 (al treilea nr)