Question

2*(46-65)
(23+45):115

Answer 1

2 * ( 46 - 65 )

(1) 46 - 65 = - 19

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

Ответ: - 38

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

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

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

Ответ: 2/3