-2,6p-0.7+1.3-3.1p+2.8k
-2,6p-0.7+1.3-3.1p+2.8k =-5,7р+0,6+2.8k
Ну както так -2,6p-0.7+1.3-3.1p+2.8k =-5,7р+0,6+2.8k вот·