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連比

Authored by 王泰 王泰

Mathematics

1st Grade - University

Used 2+ times

連比
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

若xyz≠0,且3x=4y,6y=5z,則x:y:z=?

3:4:5

9:12:10

15:20:24

20:15:18

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

△ABC中,若3∠A=2∠B=6∠C,則下列何者正確?

∠A=60°

∠B=30°

∠C=45

∠A+∠B=100°

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

若3x:2z=1:1,y:z=5:3,則下列敘述何者錯誤?

x:y:z=2:3:5

若x=4,則y=10

3x=2z,3y=5z 

x:y=2:5

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

有一條長一公尺的緞帶,王泰將它分三段給醜杰、龍哥、憲憲三兄弟,三兄弟各得到的比例為5:11:9,請問三人中得到最長的是多少公分?

20

40

44

45

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

若x:y:z=4:3:6,則下列敘述何者正確?

4x=3y=6z

6x=3y=4z

3x=4y=2z 

4x=3y=2z

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

小歐在大賣場買了一大包糖果,裡面有咖啡糖、巧克力球、水果軟糖三種,其中咖啡糖與巧克力球的數量比是7:3,而巧克力球與水果軟糖的數量比是12:25,則咖啡糖:巧克力球:水果軟糖的數量比為何?

7:3:25 

7:12:25

28:12:25

84:12:25

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

若abc≠0,且3ab=5bc,7ac=3ab,則a:b:c=?

3:5:7

5:7:3

7:5:3

3:7:5

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