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质数 & 合数

Authored by Teacher M

Mathematics

6th Grade

Used 5+ times

质数 & 合数
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50 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

以下哪个是质数的特点?

比1大

能被1除

能被任何数字整除

只能被自己整除

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

93,95,96,97,98

哪些数目是合数?

95,96,98

93,95,96

95,97,98

93,97,98

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

以下哪些是质数的特点?(可选超过一个的答案)

比1大

只能被1和自己整除

能被其他数目整除

都是奇数

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪个是质数?

1

2

6

15

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

17是...

质数

合数

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

首5个质数

1,2,3,4,5

1,2,3,5,7

2,3,5,7,11

2,3,5,7,9

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

10至30之间有多少个质数?

4

5

6

7

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