Question

помогите )))
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Answer 1

Ответ:

№1

3 5 4 1

№ 2

Результат 1го : $\frac{-10}{17}$

Результат 2го : -10$\frac{1}{2}$

Результат 3го : 10

Результат 4го: -20$\frac{1}{2}$

№ 3

9x-5|y-8|   при x=-5 y=-1

9(-5)-5|(-1)-8| =-45-5 |-9|=-50 *9=-450