: ● . ● . ● . ● . ● . ● . . . 5 . . 1. . 2. . 3. . 4. . 5. . 6. . :- . .. https://mathalat.com/
:- ● . ● . ● . ● . ● . ● . . . 5 . . 1. . 2. . 3. . 4. . 5. . 6. . :- . .. https://mathalat.com/