18+1 . .
2:
2
( ) 3 : 1- 2- , 1- , 2 , . 16+1 . . 5: 2 2 ∕ ( ) ∖ ( . 24 . , . 7: 3 3
( ) 3 : 1- 2- , 1- , 2
5:
∕ ( )
∖ ( . 24 . , . 7: 3 3
∖ (
7:
3