負數與數線
Authored by 陳 嘉卿
Mathematics
7th Grade
Used 162+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
與下列哪一個數為異號數？
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
− ( − 6 ) 表示下列何者？
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
下列有關0的敘述，何者正確？
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
已知甲數與其相反數相等，則甲數＝？
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
以海平面為基準，海平面以上100公尺，記為＋100公尺，某潛水艇B在 − 300公尺的地方，則潛水艇B的位置為何？
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
有幾個負數？
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
數學上要計算某數的絕對值時，可使用哪種符號來代表？
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