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решение систем неравенств

1-4 класс

найти количество целых значений переменной, при которых имеет смысл выражение корень из (11-6х) + (2-х)/корень из(х^2+х-6). У меня получается ответ (-беск; -3)

наталья 10 марта 2019 г., 23:30:10 (14 дней назад)
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решить неравенства 1-2х<5

и систему неравенств х+1<0
8-4х<5

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Укажите наибольшее целое число, являющееся её решением.

Помогите пожалуйста срочно очень очень надо))

1)Решите системы неравенст.
а)х<или=3. б)3х+12>4х-1. в)2х-9>6х+1
х>2. 7-2х<или=10-3х. -х/2<2.
2)найди целые решения системы неравенств:
14-4х>или=3(2-х)
3,5+х+1/4<или=2х.
3)решите неравенство:
-4<-4х<или=24; -12<2х<14.
4)при каких значениях переменной имеет смысл выражение:
√5х+√2+3√7-х;
5)при каких значениях а оба уравнения х в квадрате=а-7 и х в квадрате=3-2а. Не имеют корней?



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