Question

calcule o valor de x.
$\sqrt{ \times = 16}$
$\sqrt{ \times = 13}$
$\sqrt{ \times + 1 = 10}$
$\sqrt{ \times - 1 = 10}$
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Answer 1

Resposta:

1) x=256

2) x=169

3) x=81

4) x=101