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數ch1

Authored by 楊 淑菁

Mathematics

6th Grade

CCSS covered

Used 1+ times

數ch1
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27 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在下列各組數字中,哪一組數互質? 

12、21
13、63
26、39
30、57

Tags

CCSS.6.NS.B.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列敘述何者錯誤? 

22 是合數
2 是 18 的質因數
15 是合數
4 是 20 的質因數

Tags

CCSS.6.NS.B.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一個質因數相乘不是「2×2×2×3×3」的因數? 

2×3
2×2×3
2×3×7
2×2×3×3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何者不是正確的質因數分解? 

3×5×7
2×3×11
1×3×7
2×3×3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一個數是質數? 

1
5
6
9

Tags

CCSS.4.OA.B.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一個數是質數? 

1
2
16
39

Tags

CCSS.4.OA.B.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

最小的質數和最小的合數加起來是多少? 

3
5
6
7

Tags

CCSS.6.NS.B.3

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