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Числовой промежуток

Authored by Маржан Смагулова

Mathematics

6th Grade

Used 3+ times

Числовой промежуток
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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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

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Media Image
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5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Отметьте изображение, соответствующее интервалу (–∞; 5) на рисунке:

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6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Если 2 < x < 8 и 4 < y < 12 , то:

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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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