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連比例式3

Mathematics

7th - 9th Grade

Used 7+ times

連比例式3
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

x : y = 2 : 3、y : z = 2 : 5,求 x : y : z =?

4:6:15
6:15:4
15:4:6
6:4:15

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

6x = 7y = 3z,求 x : y : z =?

7:6:14
6:14:7
14:7:6
6:7:14

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

3x : 4y=2 : 4、2y : 5z=3 : 4 ,求 x : y : z =?

10:15:8
15:8:10
8:10:15
15:10:8

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

x/2 = y/3 = z/5 ,求 x : y : z =?

2:3:5
3:5:2
5:2:3
3:2:5

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

化簡 x : y : z = 1/4 : 1/6 : 1/7 ,求 x : y : z =?

21:14:12
14:12:21
12:21:14
14:21:12

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

7x = 5y、4y = 3z,求 x : y : z =?

15:21:28
21:28:15
28:15:21
21:15:28

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

7xy = 3yz = 5zx,求 x : y : z =?

3:5:7
5:7:3
7:3:5
5:3:7

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