111_南一_九年級數學(五)1-1

111_南一_九年級數學(五)1-1

Assessment

Quiz

Created by

一支 一支

Mathematics

9th Grade

Hard

Student preview

quiz-placeholder

10 questions

Show all answers

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

8.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

有三個正整數a、b、c。已知a:b:c=6:10:15,且〔a , b , c〕=90,則a+b+c=?

75

85

91

93

9.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

設a、b、c 為三正數,若3a=6b=2c,則(3a-2b+c)/(a+2b+3c)的值為何?

7/11

7/13

7/15

5/13

10.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

有三正整數,其比為8:12:15,又最小公倍數為720,則此三數為何?

40、60、75

48、72、90

46、70、90

40、70、90

Explore all questions with a free account

or continue with
Microsoft
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?