Question

me ajudem!!!!!!!!! por favor!!

Answer 1

\frac{3 \cdot \left (\frac{3}{4}\right )^{-{2}} + 6 \cdot \frac{3^{-{1}}}{4} - 4}{7 \cdot \left (-{\frac{3}{4}}\right )^{-{1}} + 2}
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