Question

calcule o valor numérico das expressões algébricas

Answer 1

m ) resposta igual a 4

n ) resposta igual a 4

Answer 2

m)

$\frac{ {4}^{2} - 2 \times 4 }{ \sqrt{4} } = \frac{16 - 8}{2} = \frac{8}{2} = 4$

n)

$\sqrt{ \frac{ {8}^{2} + 8 \times 10}{9} } = \sqrt{ \frac{64 + 80}{9} } = \sqrt{ \frac{144}{9} } = \sqrt{16} = 4$