1. 24,12 - 12,06 = 12,06

12,06 - 1,005 = 11,25

11,25 - 3 = 8,25

8,25 - 2,2 = 6,05

2. [tex](\frac{2}{7} + 1,5) * 14 = (\frac{2}{7} + \frac{15}{10} ) * 14 = (\frac{20}{70} + \frac{105}{70}) * 14 = \frac{125}{70} * 14 = \frac{125 * 2}{10} = \frac{250}{10} = 25[/tex]