
111_南一_九年級數學(五)1-1
Authored by 一支 一支
Mathematics
9th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
已知a:b=3:2,a:c=3:11,則a:b:c=?
3:22:11
3:2:11
9:33:22
11:2:3
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
設x:y:18=3:2:6,則x+y=?
9
10
12
15
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
設x、y、z 均不為0,若6x+8y=0,3x-5z=0,則x:y:z=?
20:15:(-9 )
12:(-9 ):15
20:(-15 ):12
(-8 ):2:5
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
設2x:3y:4z=3:4:6,則x:y:z=?
3:4:3
6:10:15
9:8:9
2:6:9
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
甲、乙、丙三兄弟分別選一樣生日禮物送給媽媽,費用由三人互相分攤。已知三樣禮物的
價格比為4:5:8,且最貴的禮物要216 元,則三兄弟每人平均要花?
153
160
162
171
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
已知x:y:z=3:4:5,則下列敘述何者錯誤?
x:3=y:4=z:5
x/3=y/4=z/5
3z=4y=5x
x+z=2y
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
設x:y=5:2,且y:z=2:3,則 ( x+y+z ):z 的比值為多少?
2
1/2
10/3
3/10
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