Question

(1 1/2 - 2) ^ 2 + 2/3 * (- 1 1/3)=​

Answer 1

Ответ:

${(1 \frac{1}{2} - 2) }^{2} + \frac{2}{3} \times ( - 1 \frac{1}{3} ) = \\ = {( - \frac{1}{2} )}^{2} - \frac{2 \times 4}{3 \times 3} = \\ = \frac{1}{4} - \frac{8}{9} = \\ = \frac{9 - 8 \times 4}{4 \times 9} = \\ = - \frac{23}{36}$