" " !!!!



1 2021. 25 2021.

Ҩ - 25% .

Ҩ.



, .

7

14

21

1

2

3

,

4

7

10

 

5

8

15

6

12

20

7

14

21

6

12

18

( )

5

10

15

( )

7

14

21

 











! !