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Lesson 17 18 19 20

Authored by Gia Hứa

Mathematics

5th Grade

Used 4+ times

Lesson 17 18 19 20
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47 questions

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1.

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1 min • 1 pt

Numbers are drawn from 6 integers 1 to 6. At least how many number(s) is/are drawn at random to ensure that there are two numbers whose difference is 2?

Các số được bốc từ 6 số nguyên từ 1 đến 6. Hỏi cần bốc ngẫu nhiên ít nhất bao nhiêu số để đảm bảo rằng có 2 số có hiệu bằng 2?

Answer explanation

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2.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Numbers are drawn from 20 integers 1 to 20. At least how many number(s) is/are drawn at random to ensure that there are two numbers whose difference is 5?

Các số được bốc từ 20 số nguyên từ 1 đến 20. Hỏi cần bốc ngẫu nhiên ít nhất bao nhiêu số để đảm bảo rằng có 2 số có hiệu bằng 5?

Answer explanation

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3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Numbers are drawn from 30 integers 1 to 30. At least how many number(s) is/are drawn at random to ensure that there are two numbers whose difference is 7?

Các số được bốc từ 30 số nguyên từ 1 đến 30. Hỏi cần bốc ngẫu nhiên ít nhất bao nhiêu số để đảm bảo rằng có 2 số có hiệu bằng 7?

Answer explanation

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4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Numbers are drawn from 50 integers 11 to 60. At least how many numbers) is/are drawn at random to ensure that there are two numbers whose difference is 10 ?

Các số được bốc từ 50 số nguyên từ 11 đến 60. Hỏi cần bốc ngẫu nhiên ít nhất bao nhiêu số để đảm bảo rằng có 2 số có hiệu bằng 10 ?

Answer explanation

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5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Numbers are drawn from 12 integers 12 to 23.

At least how many number(s) is/are drawn at random to ensure that there are two numbers whose difference is 3?

6.

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1 min • 1 pt

Numbers are drawn from 26 integers 10 to 35.

At least how many number(s) is/are drawn at random to ensure that there are two numbers whose difference is 4?

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Numbers are drawn from 70 integers 1 to 70.

At least how many number(s) is/are drawn at random to ensure that there are two numbers whose difference is 10?

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