Calculeaza patratele numerelor a, b, c
![Calculeaza Patratele Numerelor A B C class=](https://ro-static.z-dn.net/files/df9/b2af6c0d5ef8a95bdfc4fde3d4246a3a.jpg)
Răspuns:
a = 84 : 6 - 3^2
a = 84 : 6 - 9
a = 14 - 9
a = 5
a^2 = 5^2 = 25
b = 105 : 7 = 15
b^2 = 15^2 = 225
c= (9^2 - 7^2) : 4^2 = (81 - 49) : 16 = 32 : 16 = 2
c^2 = 2^2 = 4
a = 84 : 6 - 3² = 14 - 9 = 5
a² = 5² = 5×5 = 25
b = 105 : 7 = 15
b² = 15² = 15×15 = 225
c = (9² - 7²) : 4² = (81 - 49) : 16 = 32 : 16 = 2
c² = 2² = 2×2 = 4
d = 14² - 16×12 = 196 - 192 = 4
d² = 4² = 4×4 = 16