6-1(小組)

6-1(小組)

6th Grade

15 Qs

quiz-placeholder

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6-1(小組)

6-1(小組)

Assessment

Quiz

Mathematics

6th Grade

Practice Problem

Hard

Created by

顏建豐 顏建豐

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

下面哪一個數是18的質因數?

1

2

6

9

2.

MULTIPLE CHOICE QUESTION

1 min • 6 pts

下面哪一個是30的質因數分解?

  1. 1×30

  1. 3×10

  1. 5×6

  1. 2×3×5

3.

MULTIPLE CHOICE QUESTION

1 min • 6 pts

最小的合數和最小的質數之間的差是多少?

0

1

2

3

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

比1大的整數,至少有幾個因數?

1個

2個

3個

4個

5.

MULTIPLE CHOICE QUESTION

2 mins • 8 pts

下列哪一個數的質因數分解,其結果沒有3個2相乘?

40

56

88

90

6.

MULTIPLE CHOICE QUESTION

1 min • 6 pts

下列哪一組質因數分解是正確的?

  1. 62×3204×5

  1. 15=3×5,24=4×6

  1. 28=4×7,33=3×11

  1. 22=2×11,57=3×19

7.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

甲和乙都是質數,那麼它們的最大公因數是多少?

1

  1. 甲×乙

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