比例式

比例式

7th Grade

15 Qs

quiz-placeholder

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比例式

比例式

Assessment

Quiz

Mathematics

7th Grade

Practice Problem

Medium

Created by

陳 嘉卿

Used 5+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

5.7:3.8 的最簡整數比為?

57:38

38:57

3:2

2:3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 21511102\frac{1}{5}:1\frac{1}{10}  的比值為?

 12\frac{1}{2}  

2

 23\frac{2}{3}  

 32\frac{3}{2}  

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

4:7=9:x , x=?

634\frac{63}{4}

215\frac{21}{5}

52\frac{5}{2}

173\frac{17}{3}

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 12: 6=43: x  ,   x=?\frac{1}{2}:\ 6=\frac{4}{3}:\ x\ \ ,\ \ \ x=?  

4

12

16

21

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 (x1): 4=5 : (6)  ,  x=?\left(x-1\right):\ 4=5\ :\ \left(-6\right)\ \ ,\ \ x=?  

 23-\frac{2}{3}  

 43-\frac{4}{3}  

 73-\frac{7}{3}  

 103-\frac{10}{3}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

3:(3x-1) = (-5):(7+x) , x=?

45\frac{4}{5}

56\frac{5}{6}

27-\frac{2}{7}

89-\frac{8}{9}

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

已知a:b=7:2,則(a+b):(a-2b)的比值為?

3

13\frac{1}{3}

5

15\frac{1}{5}

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