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Gabriela1441
a fost răspuns

Rezolvati urmatoarele ecuatii
A)2x²=50
B)3x²=27
C)5x²=80
D)3x²=147
F)5x²=125
G)7x²=112

Răspuns :

Auras2010c
hwhshshshsss. Success...
Vezi imaginea Auras2010c
Maaariiiaaa
2x^2=50
x^2=50:2
x^2=25
x=5

3x^2=27
x^2=27:3
x^2=9
x=3

5x^2=80
x^2=80:5
x^2=16
x=4

3x^2=147
x^2=147:3
x^2=49
x=7

5x^2=125
x^2=125:5
x^2=25
x=5

7x^2=112
x^2=112:7
x^2=16
x=4

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