Question

Rezolvați in N ecuațiile:

Answer 1

a) x=√625=25

b) x=√256=16

c) x^2=800:2

x^2=400

x=√400=20

d) x^2=343:7

x^2=49

x=√49

x=7

e) 3x^2=75

x^2=75:3

x^2=25

x=√25=5