Răspuns:
[tex]144 = {12}^{2} \\ 324 = {18}^{2} \\ 576 = {24}^{2} \\ 784 = {28}^{2} [/tex]
Salut!
144 = 12²
12² => 12 × 12 = 144
324 = 18²
18² => 18 × 18 = 324
576 = 24²
24² => 24 × 24 = 576
784 = 28²
28² => 28 × 28 = 784
Un pătrat perfect => " a = b² "