16. Plane coordinates 17. Equation of a straight line 18. Circle equation 19. Movement of shape 20. Assembly 21. The rules of operation of sets 22. Propositions and conditions 23. Proof of Proposition 24. Function 25. Synthetic and inverse functions 26. Polynomial function graph 27. Graph of rational functions 28. Irrational function graph 29. Number of cases 30. Permutations and Combinations --------------- Solving exercises and correct answers, Emulsion and correct answer, Browse