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Calculati:
a)√25=
b)√0.04=
c)√144=
d)√81=
e)√9/4=
f)√16/25=
g)√4.5*√2=
h)√4*9 la puterea 2
i)√8/√2


Răspuns :

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