| 99800 | Rational Expressions · Exercise 38 | Medium | |
| 99802 | Rational Expressions · Exercise 40 | Medium | |
| 99804 | Rational Expressions · Exercise 42 | Medium | |
| 99806 | Rational Expressions · Exercise 44 | Medium | |
| 99808 | Rational Expressions · Exercise 46 | Medium | |
| 99810 | Rational Expressions · Exercise 48 | Medium | |
| 99812 | Rational Expressions · Exercise 50 | Medium | |
| 99814 | Rational Expressions · Exercise 52 | Medium | |
| 99817 | Rational Expressions · Exercise 56 | Medium | |
| 99819 | Rational Expressions · Exercise 58 | Deep | |
| 99821 | Rational Expressions · Exercise 60 | Deep | |
| 99822 | Rational Expressions · Review Exercise 61 | Medium | |
| 99824 | Rational Expressions · Review Exercise 63 | Medium | |
| 99826 | Rational Expressions · Review Exercise 65 | Medium | |
| 99828 | Rational Expressions · Review Exercise 67 | Medium | |
| 99830 | Rational Expressions · Review Exercise 71 | Medium | |
| 99832 | Rational Expressions · Review Exercise 73 | Medium | |
| 99834 | Rational Expressions · Review Exercise 75 | Medium | |
| 99836 | Rational Expressions · Review Exercise 77 | Medium | |
| 99838 | Rational Expressions · Review Exercise 79 | Medium | |
| 99840 | Rational Expressions · Review Exercise 81 | Medium | |
| 99842 | Rational Expressions · Review Exercise 83 | Medium | |
| 99844 | Rational Expressions · Review Exercise 85 | Medium | |
| 99846 | Rational Expressions · Review Exercise 87 | Medium | |
| 99848 | Rational Expressions · Review Exercise 89 | Medium | |
| 99850 | Rational Expressions · Review Exercise 91 | Medium | |
| 99852 | Rational Expressions · Review Exercise 93 | Medium | |
| 99854 | Rational Expressions · Review Exercise 95 | Medium | |
| 99856 | Rational Expressions · Review Exercise 97 | Medium | |
| 99858 | Rational Expressions · Review Exercise 99 | Medium | |
| 99860 | Rational Expressions · Review Exercise 101 | Medium | |
| 99862 | Rational Expressions · Review Exercise 103 | Medium | |
| 99864 | Rational Expressions · Review Exercise 105 | Medium | |
| 99866 | Rational Expressions · Review Exercise 107 | Medium | |
| 99868 | Rational Expressions · Review Exercise 109 | Medium | |
| 99870 | Rational Expressions · Review Exercise 111 | Medium | |
| 99872 | Rational Expressions · Review Exercise 113 | Medium | |
| 99874 | Rational Expressions · Review Exercise 115 | Medium | |
| 99878 | Rational Expressions · Review Exercise 119 | Medium | |
| 99880 | Rational Expressions · Review Exercise 121 | Medium | |
| 99882 | Rational Expressions · Review Exercise 123 | Medium | |
| 99884 | Rational Expressions · Review Exercise 125 | Medium | |
| 99886 | Rational Expressions · Review Exercise 127 | Medium | |
| 99888 | Rational Expressions · Review Exercise 129 | Medium | |
| 99890 | Rational Expressions · Exercise 131 | Medium | |
| 99892 | Rational Expressions · Exercise 133 | Medium | |
| 99894 | Rational Expressions · Exercise 135 | Medium | |
| 99896 | Rational Expressions · Exercise 137 | Medium | |
| 99898 | Rational Expressions · Exercise 139 | Medium | |
| 99900 | Rational Expressions · Exercise 141 | Medium | |