
Числовой промежуток
Authored by Маржан Смагулова
Mathematics
6th Grade
Used 3+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
На координатной прямой обозначены числаa, b и 3 . Укажите правильное неравенство:
b – 3 < 0
3 – a < 0
a – b > 0
a – 3 > 0
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Если a > b то:
a – 11 > b – 11 и
a + 3 > b + 3
a – 11 < b – 11 и
a + 3 > b + 3
a – 11 < b – 11 и
a + 3 < b + 3
a – 11 > b – 11 и
a + 3 < b + 3
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Если –9a > –9b то:
a > b
a ≥ b
a ≤ b
a < b
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Отметьте изображение, которое удовлетворяет неравенство: –1 < x ≤ 4
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Отметьте изображение, соответствующее интервалу (–∞; 5) на рисунке:
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Если 2 < x < 8 и 4 < y < 12 , то:
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Найдите пересечение числовых интервалов (–2; 11] и [–4;2):
[–2; 2]
[–4; 11]
[–4; –2)
(–2; 2)
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