升六-資優-因數&倍數&質數&合數&最大公因數
Authored by 陳柏均 陳柏均
Mathematics
6th Grade
Used 6+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下面整數中，哪一個只有1和自己本身兩個因數？
５３
２７
２８
３３
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
比１大的數，「至少」會有幾個因數？
１個
２個
３個
４個
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一個整數的「最大因數」是多少？
１
０
自己本身的數
自己本身的數的一半
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下面哪一個數字，是任何數的因數？
０
１
２
３
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
質數是指只有１和自己本身兩個因數的整數。下面整數中，哪一個是質數？
３７
５１
４９
３３
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
３０的因數中，哪一個不是質數？
２
３
５
６
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
７５的因數中，共有「幾個」比１大且是５的倍數的數？
２個
３個
４個
５個
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