Question

2)efetue as multiplicações:


$( - \frac{3}{2}).( - \frac{5}{7} )$


$( - \frac{1}{5} .( + \frac{1}{4} )$


3)Efetue as divisões:

$( + \frac{1}{3}):( + \frac{2}{5} )$


$( + \frac{4}{7}):( - \frac{2}{5})$


$( + 5):( - \frac{3}{2})$


4) calcule as potências:

$( + \frac{1}{3})²$


$( - \frac{2}{3})³$


$( - \frac{3}{7})¹$


$( + \frac{2}{9})⁰$


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Answer 1

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