1. 0.55:0.11-2.5 = 55:11-2.5 = 5-2.5 = 2.5 topola
2. 4.9:(5-4.3) = 4.9:0.7 = 49:7 = 7 olcha
3. 2.3-0.8^2 = 2.3-0.8*0.8 = 2.3-0.64 = 1.66 jesion
4. 9-(9-3.8) = 9-5.2 = 3.8 lipa
5. 0.9^2+0.09 = 0.81+0.09 = 0.9 buk
6. 8.2+0.08:0.1 = 8.2+0.8 = 9 grab