Question

4) Calcule as operações e simplifique a resposta quando possivel
3/4.1/5
7/8.3/5
1/2.1/3.5/7


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Answer 1

Explicação passo-a-passo:

.

$\dfrac{3}{4} \times \dfrac{1}{5} = \dfrac{3}{20}$

$\dfrac{7}{8} \times \dfrac{3}{5} = \dfrac{21}{40}$

$\dfrac{1}{2} \times \dfrac{1}{3} \times \dfrac{5}{7} = \dfrac{5}{42}$