August 2023 1 15 Report
Preciso de ajuda nestas questões, poderia me ajudar? Por favor.

d)
[tex] \frac{5}{2} - 3 \div (1 \times \frac{1}{2} - \frac{2}{3} )[/tex]

e)
[tex]4 \div ( \frac{2}{9} ) + ( - \frac{5}{3} ) \div ( \frac{2}{9} )[/tex]

f)
[tex]5 \times ( \frac{3}{4} ) - \frac{3}{4} \div ( - \frac{3}{8} )[/tex]
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