Răspuns:
Calculati:
a) √25 = √5² = 5
b) √0.04 = √0,2² = 0,2
c) √144 = √12² = 12
d) √81 = √9² = 9
e) √9/4 = √(3/2)² = 3/2 = 1,5
f) √16/25 = √(4/5)² = 4/5
g) √4.5*√2 = √9 = √3² = 3
h) √4*9 la puterea 2 = √(2²×9²) = 2 × 9 = 18
i) √8/√2 = √(4×2)/√2 = √(2²×2) / √2 = 2√2 / √2 = 2
