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三年级数学等值分数

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.

 12\frac{1}{2}  的等值分数是多少?

a)

4

b)

2

c)

 42\frac{4}{2}  

d)

 24\frac{2}{4}  

2.

 13\frac{1}{3}  的等值分数是多少?

a)

 62\frac{6}{2} 

b)

3

c)

2

d)

 26\frac{2}{6}  

3.

空格里的数字 是 .......

a)

1

b)

2

c)

3

d)

4

4.

空格里的数字 是......

a)

1

b)

3

c)

6

d)

9

5.

 25 = (      )10\frac{2}{5}\ =\ \frac{\left(\ \ \ \ \ \ \right)}{10}  

(a)  

6.

 14  = 2(      )\frac{1}{4}\ \ =\ \frac{2}{\left(\ \ \ \ \ \ \right)}  

(a)  

7.

 12 = 4(       )\frac{1}{2}\ =\ \frac{4}{\left(\ \ \ \ \ \ \ \right)}  

(a)  

8.

 23 = (        )6\frac{2}{3}\ =\ \frac{\left(\ \ \ \ \ \ \ \ \right)}{6}  

(a)  

9.

 1(       ) = 510\frac{1}{\left(\ \ \ \ \ \ \ \right)}\ =\ \frac{5}{10}  

(a)  

10.

 13 = (      )9\frac{1}{3}\ =\ \frac{\left(\ \ \ \ \ \ \right)}{9}  

(a)  

11.

 24 = (       )8\frac{2}{4}\ =\ \frac{\left(\ \ \ \ \ \ \ \right)}{8}  

(a)  

12.

 (       )3 = 69\frac{\left(\ \ \ \ \ \ \ \right)}{3}\ =\ \frac{6}{9}  

(a)  

13.

 3(      ) = 610\frac{3}{\left(\ \ \ \ \ \ \right)}\ =\ \frac{6}{10}  

(a)  

14.

 25 = (      )10\frac{2}{5}\ =\ \frac{\left(\ \ \ \ \ \ \right)}{10}  

a)

2

b)

3

c)

4

d)

5

15.

 12 = 4(       )\frac{1}{2}\ =\ \frac{4}{\left(\ \ \ \ \ \ \ \right)}  

a)

6

b)

7

c)

8

d)

9

16.

 13 = (      )9\frac{1}{3}\ =\ \frac{\left(\ \ \ \ \ \ \right)}{9}  

a)

1

b)

3

c)

9

d)

0

17.

 28\frac{2}{8}  的等值分数是

a)

 82\frac{8}{2}  

b)

 14\frac{1}{4}  

c)

 39\frac{3}{9}  

d)

 41\frac{4}{1}  

18.

 19\frac{1}{9}  的等值分数是

a)

 118\frac{1}{18}  

b)

 218\frac{2}{18}  

c)

 326\frac{3}{26}  

d)

 438\frac{4}{38}  

19.

 410\frac{4}{10}  的等值分数是

a)

 1040\frac{10}{40}  

b)

 25\frac{2}{5}  

c)

 14\frac{1}{4}  

d)

 25\frac{2}{5}  

20.

两个空格内的数字,最有可能是 ......

a)

6,5

b)

3,5

c)

4,5

d)

5,10