Question

Даю 20 баллов. Вопрос лёгкий просто я тупой:-)​

Answer 1

$\displaystyle(-\frac{2}{3} )^4-(\frac{1}{9})^2+9=\frac{16}{81} -\frac{1}{9}^2 +9=\frac{16}{81} -\frac{1}{81} +9=\frac{16-1}{81} +9=\frac{5}{27} +9=\frac{5+243}{27} =\\\\=\frac{248}{27} =9\frac{5}{27}$