Răspunsuri

  • Utilizator Brainly
2013-12-09T17:46:29+02:00
X-1+x+x+1=396
deci 3x=396
x=132
x-1=131
x+1=133
131+132+133=396
2013-12-09T17:53:52+02:00
Fie x,y si z numerele cautate
y=x+2
z=x+4
x+x+2+x+4=396
3x+6=396
3x=396-6
3x=390
x=390:3
x=130
y=130+2=132
z=130+4=134
Asa se rezolva :))