Răspunsuri

2014-08-29T16:38:34+03:00
Un numar par are forma 2k.
2k+2k+2+2k+4=396
6k=390
k=390:6
k=65
Numerele sunt 130,132,134.
2 5 2
2014-08-29T17:52:58+03:00
A+a+2+a+4=396,3a=396-2-4,3a=390,a=390:3,a=130(primul nr.),a+2=130+2=132(al doilea nr.),a+4=130+4=134(al treilea nr.)