| 99777 | Rational Expressions · Exercise 15 | Medium | |
| 99779 | Rational Expressions · Exercise 17 | Medium | |
| 99781 | Rational Expressions · Exercise 19 | Medium | |
| 99783 | Rational Expressions · Exercise 21 | Medium | |
| 99785 | Rational Expressions · Exercise 23 | Medium | |
| 99787 | Rational Expressions · Exercise 25 | Medium | |
| 99789 | Rational Expressions · Exercise 27 | Medium | |
| 99791 | Rational Expressions · Exercise 29 | Medium | |
| 99793 | Rational Expressions · Exercise 31 | Medium | |
| 99795 | Rational Expressions · Exercise 33 | Medium | |
| 99797 | Rational Expressions · Exercise 35 | Medium | |
| 99799 | Rational Expressions · Exercise 37 | Medium | |
| 99801 | Rational Expressions · Exercise 39 | Medium | |
| 99803 | Rational Expressions · Exercise 41 | Medium | |
| 99805 | Rational Expressions · Exercise 43 | Medium | |
| 99807 | Rational Expressions · Exercise 45 | Medium | |
| 99809 | Rational Expressions · Exercise 47 | Medium | |
| 99811 | Rational Expressions · Exercise 49 | Medium | |
| 99813 | Rational Expressions · Exercise 51 | Medium | |
| 99815 | Rational Expressions · Exercise 53 | Medium | |
| 99816 | Rational Expressions · Exercise 55 | Medium | |
| 99823 | Rational Expressions · Review Exercise 62 | Medium | |
| 99825 | Rational Expressions · Review Exercise 64 | Medium | |
| 99827 | Rational Expressions · Review Exercise 66 | Medium | |
| 99829 | Rational Expressions · Review Exercise 70 | Medium | |
| 99831 | Rational Expressions · Review Exercise 72 | Medium | |
| 99833 | Rational Expressions · Review Exercise 74 | Medium | |
| 99835 | Rational Expressions · Review Exercise 76 | Medium | |
| 99837 | Rational Expressions · Review Exercise 78 | Medium | |
| 99839 | Rational Expressions · Review Exercise 80 | Medium | |
| 99841 | Rational Expressions · Review Exercise 82 | Medium | |
| 99843 | Rational Expressions · Review Exercise 84 | Medium | |
| 99845 | Rational Expressions · Review Exercise 86 | Medium | |
| 99847 | Rational Expressions · Review Exercise 88 | Medium | |
| 99849 | Rational Expressions · Review Exercise 90 | Medium | |
| 99851 | Rational Expressions · Review Exercise 92 | Medium | |
| 99853 | Rational Expressions · Review Exercise 94 | Medium | |
| 99855 | Rational Expressions · Review Exercise 96 | Medium | |
| 99857 | Rational Expressions · Review Exercise 98 | Medium | |
| 99859 | Rational Expressions · Review Exercise 100 | Medium | |
| 99861 | Rational Expressions · Review Exercise 102 | Medium | |
| 99863 | Rational Expressions · Review Exercise 104 | Medium | |
| 99865 | Rational Expressions · Review Exercise 106 | Medium | |
| 99867 | Rational Expressions · Review Exercise 108 | Medium | |
| 99869 | Rational Expressions · Review Exercise 110 | Medium | |
| 99871 | Rational Expressions · Review Exercise 112 | Medium | |
| 99873 | Rational Expressions · Review Exercise 114 | Medium | |
| 99875 | Rational Expressions · Review Exercise 116 | Medium | |
| 99877 | Rational Expressions · Review Exercise 118 | Medium | |
| 99879 | Rational Expressions · Review Exercise 120 | Medium | |