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133一元一次方程式的應用題列式

Authored by 洪榮忠 新湖國中

Mathematics

7th Grade

Used 8+ times

133一元一次方程式的應用題列式
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何者是一元一次方程式?

x-y=5

2y-3

x-7

3x-5=2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

一杯隱藏版奶茶x元,200元買兩杯還可以找回60元。依題意列出的等式可為下列何者?

x+200=60

x+60=200

2x+60=200

2x-60=200

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

小明今年x歲,爸爸今年的年齡比小明年齡的2倍多5歲,若爸爸今年35歲,欲求x的值。則依題意列出一元一次方程式可為下列何者?

x+5=35×2

x-5=35×2

2x-5=35

2x+5=35

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

若等腰△ABC的頂角∠A=50°,欲求底角∠B的度數 x。依題意列出的等式可為下列何者?

2x+50=180

2x-50=180

x+50=180

x-50=180

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知等腰三角形的周長為30公分,且兩個等長的邊皆為y公分,另一邊長7公分,欲求得y的值。依題意列出的等式可為下列何者?

7+2y

7+y=30

7+2y=30

14+y=30

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

若4個連續奇數總和為48,最小者為x,欲求 x的值。依題意列出的等式可為下列何者?

x+(x+1)+(x+2)+(x+3)=48

x+(x+2)+(x+4)+(x+6)=48

x+(x-1)+(x-2)+(x-3)=48

x+(x-2)+(x-4)+(x-6)=48

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

小新口袋中有205元,其中分別為x個1元硬幣,2x個5元硬幣和3x個10元硬幣,請問小新口袋裡共有多少個硬幣?依題意列出的等式可為下列何者?

x+2x+3x

x+2x+3x=205

x+10x+30x=205

x+5x+10x=205

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