Free Printable Ước và Bội

Free Printable Worksheets

Worksheets

Ước và Bội

Total questions: 6

Worksheet time: 3mins

Name

Class

Date

1.

B(15)=

a)

0;15;30;...

b)

1;3;5;15

c)

-15;-5;-3;-1;1;3;4;15

d)

0;-15;15;-30;30;,,,

2.

Ư(15)=

a)

1;3;5;15

b)

0;15;30;45;..

c)

-1;1;-3;3;-5;5;-15;15

d)

0;-15;15;30;-30;...

3.

ƯCLN(5,20)=

a)

5

b)

20

c)

25

d)

60

4.

Các số nào đều là số nguyên tố

a)

1;3;5;7;11

b)

3;5;7;11;28

c)

3;5;7;11;34

d)

0;3;5;7;13

5.

Tìm UCLN(36,108)=

a)

36

b)

18

c)

9

d)

6

6.

UCLN(12,15)

a)

3

b)

5

c)

12

d)

60

100 %

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