下列的四個運算規則,正確的有幾個?
(甲) ;
(乙) ;
(丙) ;
(丁) 。
翰林國中數學1上CH1-3 正負數的乘除
Quiz
•
Mathematics
•
7th Grade
•
Medium
翰林數學 翰林數學
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列的四個運算規則,正確的有幾個?
(甲) ;
(乙) ;
(丙) ;
(丁) 。
0
1
2
3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知數線上有 、 兩點,若 點在原點右邊, 點在原點左邊,且 , ,則
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個式子與 相等?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果你將 的結果標示在數線上,那麼正確的位置是下列哪一個?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若 , ,則下列何者為正數?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若甲、乙兩數為相異負整數,則下列哪一個選項的運算結果必為負數?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列各選項的敘述,何者錯誤?
兩個同號數相乘的結果是正數
兩個異號數相乘的結果為負數
負數相乘四次為負數
正數連乘五次為正數
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