Răspunsuri

  • Utilizator Brainly
2014-02-18T19:12:08+02:00
X+y+z=269
x-a=24
y-a=81
z-a=32
x-a+y-a+z-a=24+81+32 ⇒ x+y+z-3a=137 ⇒ 269-3a=137 ⇒ 3a=132, a=44
x=a+24=44+24=68
y=a+81=44+81=125
z=a+32=44+32=76