Question

Va rog urgent!! Dau coroana!! ​

Answer 1

Răspuns:

Explicație pas cu pas:

$\Big[\Big( \frac{ {}^{3)} 1}{3} - \frac{1}{9}\Big) ^{2} + \Big( \frac{1}{3} \Big) ^{3} \Big] \div \Big( \frac{1}{3} \Big) ^{4}$

$= \Big[\Big( \frac{3 - 1}{9} \Big) ^{2} + \frac{1}{27} \Big] \div \frac{1}{81}$

$= \Big[\Big( \frac{2}{9} \Big) ^{2} + \frac{1}{27} \Big] \times 81$

$= \Big( \frac{4}{81} + \frac{ {}^{3)} 1}{27} \Big) \times 81$

$= \frac{4 + 3}{81} \times 81 = \frac{7}{ \not81} \times \not81 = \boxed{7}$