281 Free course (partial)

10.1: ch1-part1-logicc (44 mins)

10.1: 281 ch1quantifiers part1 (27 mins)

10.1: female tutorial2 predicate logic(q1, q2, q3) (19 mins)

15.1: ch2 sets part1 (17 mins)

15.1: Female Mid2023(q2 1 2 3) sets (8 mins)

25.1: 281 ch4 conversion between Systems(p1) (17 mins)

25.1: 281 inverse modulo m march 2020(ch4 p3) (42 mins)

25.1: tut7 q7 Fermat's (1 mins)