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七年級上學期數學第三章一元一次方程式

Authored by FaHui Xie

Mathematics

7th Grade

Used 20+ times

七年級上學期數學第三章一元一次方程式
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知查理原有25元,後來每天存x元,試問7天後查理共有多少元?

(A) ( 25+x )×7

(B) 25+x×7

(C) 25×7+x

(D) 25×( x+7 )

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

一個二位數中,十位數字為5,個位數字為x。若將二位數的十位數與個位數字互相對調,則所得的新數可表示成下列何者?

(A) x5

(B) 5x

(C) 5+10x

(D) x+50

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(A) 等號兩邊不相等  

(B) y的值不會改變

(C) y的值變大為5倍 

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

        x=1是下列何者的解?      

(A) x+1=0

(B) 2x=1

(D) ( x-1 )=0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

有大小兩個數,大數為x且兩數的差為10。若大數比小數的3倍少4,則可列出方程式為何?

(A) x=3 ( 10-x )-4

(B) 3x-4=10-x

(C) x+10=3x-4

(D) x=3 ( x-10 )-4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

        長方形的長比寬多15公分,若長為x公分,則面積為多少平方公分?                                               

(A)(x+15)平方公分

(B) 15x平方公分

(C) xx-15)平方公分

(D)〔x+(x-15)〕平方公分

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