1140227數學學習扶助
Interactive Video
•
Education
•
6th Grade
•
Practice Problem
•
Medium
北勢國小吳念周 北勢國小吳念周
Used 2+ times
FREE Resource
26 questions
Show all answers
1.
SLIDE QUESTION
30 sec • Ungraded
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
找出2×3×7×19、3×5×7×17兩組數的最大公因數為何？
3
5
21
38
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3的因數有幾個？
1
2
3
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
30的因數中，哪一個不是質數？
2
3
5
6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
97最大的質因數和78最大的質因數，分別是哪一個數？ ①97、13 ②1、78 ③13、97 ④97、39
97、13
1、78
13、97
97、39
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將63分解成質因數的乘積為何？ ①2×3×5 ②3×3×7 ③3×5×7 ④3×5×11
2X3X5
3X3X7
3X5X7
3X5X11
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8和12的公倍數有幾個？
3
4
24
無限多
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