Question

calcule as operações com fracao e simplifique quando for possivel;

PORFAVOR RESPONDEM. :(

Answer 1

Temos os Cálculos:

A)

$\large\red{\boxed{\orange{\boxed{\begin{array}{l} \rm \Bigg(\dfrac{9}{4}\Bigg)^{2}-1+\dfrac{3}{8}\times\dfrac{1}{2} \\ \\ \rm \dfrac{81}{16}-1+ \dfrac{3}{16} \\ \\ \rm \dfrac{81+3}{16}-1\\ \\ \rm \dfrac{\diagdown\!\!\!\!84}{\diagdown\!\!\!\!16}-1\\ \\ \rm \dfrac{21}{4}-1 \\ \\ \rm \dfrac{21-4}{4} \\ \\ \rm \dfrac{17}{4}\to Resposta\end{array}}}}}$

$\!\!\!\!\Large\begin{array}{l}\Huge\text{\sf ------------------------------}\end{array}$✍

B)

$\large\boxed{\orange{\begin{array}{l} \rm 1\dfrac{3}{4}:\dfrac{1}{5}-\dfrac{7}{4} \\ \\ \rm \dfrac{7}{4} \times5-\dfrac{7}{4}\\ \\ \rm \dfrac{35}{4}-\dfrac{7}{4}\\ \\ \rm 7\to Resposta\end{array}}}$

$\!\!\!\!\Large\begin{array}{l}\Huge\text{\sf ------------------------------}\end{array}$✍

$\Large{\text{\bf Bons\:estudos}}$

$\bf\Large{\underline{\quad\qquad\qquad\qquad\qquad\qquad\quad}}\LaTeX$✍

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