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七上第二次段考北興國中題目14

Authored by 黃俊賓 關山國中

Mathematics

7th Grade

Used 5+ times

七上第二次段考北興國中題目14
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26 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

下列敘述何者正確?(A) 8 = 1.6×5,所以5是8的因數 (B) 1是17的因數 (C) 36的最小質因數是2、3、6 (D) 12=3×4,所以12的因數只有3和4

8 = 1.6×5,所以5是8的因數

1是17的因數

36的最小質因數是2、3、6

12=3×4,所以12的因數只有3和4

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

將680做質因數分解,則680的相異質因數沒有

1

2

5

17

Answer explanation

所有的質數中,最小且是唯一的偶數是2。

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

水果店老闆預備360顆蘋果、420顆水梨和840顆水蜜桃,分裝成包含蘋果、水梨、水蜜桃的綜合禮盒,沒有剩餘。若每個禮盒的蘋果、水梨、水蜜桃數量要相同,下列問題何者錯誤

最多可以分成420個禮盒

蘋果放了3顆

水梨放了2顆

水蜜桃放了4顆

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

下列敘述何者正確?

互質的兩個正整數一定都是奇數

互質的兩個正整數一定都是質數

兩個相異合數一定不互質

兩個相異質數乘一定互質

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何者最大?

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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