Предмет: Математика, автор: helicoppop

Помогите пожалуйста решить пример |x+7|+3|y-1|-8|5-z| при x=-9 y= 0,7 z=12
Очень срочно! 10 баллов

Ответы

Автор ответа: njf1re

2

|x+7|+3*|y-1|-8*|5-z|

При x=-9, y = 0,7, z=12

|-9+7|+3*|0,7 - 1|-8*|5-12|

2+0,9-56 = -53,1

Автор ответа: sem597

0

|x+7|+3*|y-1|-8*|5-z|

|-9+7|+3*|0.7-1|-8*|5-12|

|16|+3*|-0.3|-8*|-7|

16+3-0.3-8*7

16+0.9-56

-39.1

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