Răspunsuri

2014-07-18T17:50:30+03:00
A=1/2 * |Δ|
      -2    0    1
Δ=   2    0    1  = 0+6+0-0+6-0=12
        0    3    1

A= 1/2 * 12 =6
  • Utilizator Brainly
2014-07-18T18:28:40+03:00
A=1/2 * |Δ| -2 0 1 Δ= 2 0 1 = 0+6+0-0+6-0=12 0 3 1 A= 1/2 * 12 =6