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?
113(1)一15數學2-1練習

Quiz
•
Mathematics
•
7th Grade
•
Medium
Chang2 Chang2
Used 1+ times
FREE Resource
10 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
(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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