Question

(2/3.15/6-1/4)ao quadrado?

Answer 1

Olá!

$( \frac{2}{3} * \frac{15}{6} - \frac{1}{4} )^2 \\ \\ ( \frac{30}{18} - \frac{1}{4} )^2 \\\\( \frac{60}{36} - \frac{9}{36} )^2 \\\\( \frac{51}{36} )^2 \\\\ \frac{51^2}{36^2} \\ \\ \frac{2601}{1296} = \frac{289}{144}$

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