Treenit 1-4

  1. Laske
    1. $\frac{1}{4} + \frac{1}{4}$
    2. $\frac{1}{3} + \frac{1}{3}$
    3. $\frac{1}{6} + \frac{1}{6} + \frac{1}{6}$
    4. $\frac{2}{3} + \frac{1}{6}$
  2. Laske
    1. $\frac{1}{4} + \frac{1}{8}$
    2. $\frac{1}{2} + \frac{1}{4} + \frac{1}{8}$
    3. $\frac{1}{2} - \frac{1}{4} - \frac{1}{8}$
    4. $\frac{1}{3} + \frac{1}{4}$
  3. Laske
    1. $\frac{1}{3} - \frac{1}{9} - \frac{1}{27}$
    2. $\frac{1}{2} + \frac{1}{3}$
    3. $\frac{2}{3} + \frac{3}{4}$
    4. $\frac{1}{2} + \frac{2}{3} - \frac{1}{4}$
  4. Laske
    1. $\frac{1}{3} + \frac{1}{3}$
    2. $\frac{1}{3} + \frac{1}{6}$
    3. $\frac{1}{3} + \frac{1}{4}$
    4. $\frac{1}{3} + \frac{2}{3} + \frac{1}{6}$
    5. $\frac{5}{6} - \frac{1}{6}$
    6. $\frac{5}{7} - \frac{1}{6}$
    7. $1 - \frac{1}{2}$
    8. $\frac{1}{2} + \frac{2}{3} + \frac{3}{4}$
    9. $\frac{5}{6} + \frac{7}{8}$
    10. $\frac{4}{5} - \frac{3}{4} + \frac{2}{3}$