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九年級數學一段(相似形)

Authored by 蔡佩旻 蔡佩旻

Mathematics

8th Grade

Used 2+ times

九年級數學一段(相似形)
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17 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

若4:5:7=18:x:y,求x、y的值=?

 x=45/2,y=63/2

x=45,y=63

x=15,y=21

x=19,y=22

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

若x、y、z皆不為0, x:y=6:5,y:z=2:3,求x:y:z。

 6:7:3

 12:10:6

 12:10:15

 10:12:15

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

  設x:y=4:5,x:z=6:7,求x:y:z。

10:5:7

12:15:14

12:15:21

15:12:14

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

若 2x=5y=3z,則x:y:z=?

2:5:3

15:6:10

15:10:6

10:6:15

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

若x/12=y/15=z/18,則x:y:z=?

4:5:6

12:5:6

5:4:6

6:5:4

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

如圖,小妍練習踩高蹺,將兩根高蹺綁在腿上。已知小妍踩在高蹺上時高200公分,若身高的AB:BC=2:1,高蹺的BC:CD=1:1,則他原來的身高為多少公分?

150

110

140

120

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

小翊、小靖和小妍去餐廳吃飯共付了690元,且三人所付金額的比為9:6:8,則下列何者錯誤?

 

小翊付270元

小靖付180元

小妍付240元

小翊比小妍多付20元

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