Question

2*(46-65)
(2\3+4\5):11\5

Answer 1

2 * ( 46 - 65 )

(1) 46 - 65 = - 19

(2) 2 * ( - 19 ) = -38

Ответ: - 38

_______________________

$( \frac{2}{3} + \frac{4}{5} ) \div \frac{11}{5}$

$(1) \frac{2}{3} + \frac{4}{5} = \frac{5 \times 2}{5 \times 3} + \frac{3 \times 4}{3 \times 5} = \frac{10 + 12}{15} = \frac{22}{15}$

$(2) \frac{22}{15} \div \frac{11}{5} = \frac{2}{3}$

Ответ: 2/3