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南一國小數學6上ch1-3 質因數分解

Authored by 數學 南一

Mathematics

6th Grade

CCSS covered

Used 63+ times

南一國小數學6上ch1-3 質因數分解
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

24是由哪些質因數相乘得到的?

2×2×3×3

2×3×3×3

2×2×2×3

2×3×5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將36質因數分解後,有幾個不同的質因數?

2個

4個

6個

9個

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

84是由下面哪些質因數相乘而得到的?

2×2×3×5

2×3×3×3

2×2×3×7

2×3×7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若●=2×2×3×5,則下面哪一個不是的因數?

12

15

20

45

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

若A=12×15×35,則A共有幾個質因數?

2個

3個

4個

5個

Tags

CCSS.7.NS.A.2

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