Question

calcule e simplefique sempre q possivel
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Answer 1

Resposta:

Explicação passo a passo:

A)

$2-\frac{1}{9}+\frac{1}{3}\\\\\frac{2\cdot \:9-1}{9} +\frac{1}{3} =\frac{20}{9} = 2\frac{2}{9}$

B)

$5-2\div \frac{2}{3}+\frac{1}{2}\\\\5-3+\frac{1}{2}=\frac{5}{2} = 2\frac{1}{2}$