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113(1)一15數學2-1練習

Authored by Chang2 Chang2

Mathematics

7th Grade

Used 1+ times

113(1)一15數學2-1練習
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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

1.(  ) 將42個學生分組,而且每組人數都要相同,則每組人數不可能是下面哪一個數?

(A) 3

(B) 6

(C) 7

(D) 8

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

2.(  ) 若正整數甲=,且n也是正整數,則甲數不可能為下列何者?

(A)  4

(B)  8

(C)  12

(D)  16

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

3.(  ) 下列哪一個數不是9的倍數?

(A)  123

(B)  234

(C)  3456

(D)  2007

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

4.(  ) 對於268□45的敘述,下列何者錯誤

(A) 因為個位數字是5,所以一定有5的因數

(B) 因為2+6+8+4+5+口=25+口,所以如果有3的因數,口可填 2、5、8

(C) 如果268口45有11的因數,口可填 3

(D) 268口45同時有3、5、11的因數

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

5.(  ) 11是下列哪一個數的因數?

(A)  319076

(B)  2688135

(C)   290928

(D)   11111

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

6.(  ) 若a不是2、3、5、7的倍數,則a可能是下列哪一個數?

(A)  91

(B)  75

(C)  99

(D)  97

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

7.(  ) 下列何者是質數?

(A)  1

(B)  77

(C)  89

(D ) 91

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