1上 1-3 整數的乘除與四則運算

Quiz
•
Mathematics
•
7th Grade
•
Medium
康軒數位 康軒數位
Used 32+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列各算式,何者的結果是正數?
(-30)×(-25)×(-20)
(-5)×(-6)×(-7)×(-8)×(-9)
(-4)×(+9)×(-15)×(+35)
(-91)×(-87)×(+32)×(-39)×(+45)×(-69)×(-28)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
香雞排一份40元,珍珠奶茶4杯100元,小軒買香雞排一份,珍珠奶茶一杯,則可用下列哪一個算式求小軒應付的錢?
(40+100)÷4
40+100÷4
40+100
40+100×4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若A=12345×12345-2345×12345,則下列有關A的敘述何者正確?
A是一個八位數
A最後四位皆為0
A是一個奇數
A是一個質數
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下面哪一個選項的運算結果與「899×(-58)」的值相同?
899×60-899×2
899×50-899×8
900×(-58)-1×(-58)
900×(-58)+1×(-58)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
設比-3大5的數是A,比2小5的數是B,則A×B=?
-6
6
-8
8
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若999×(-98)+999×(-2)=999×a=b,求b-a=?
-99800
100000
10100
-99900
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
999×(-83)的值與下列哪一個式子的結果相同?
1000×(-80)-1×3
999×(-80)+999×(-3)
1000×(-80)+1×(-3)
1000×(-80)-1×(-3)
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