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1上 1-3 整數的乘除與四則運算

Authored by 康軒數位 康軒數位

Mathematics

7th Grade

Used 32+ times

1上 1-3 整數的乘除與四則運算
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10 questions

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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

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×ab,求ba=?

-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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