-(m+n) + (k+m) -(k-0,13)= -m-n+k+m-k+0.13=2.13+0.13=2.26
(c+d+k) - (c+ k - 15,3)= c+d+k-c-k+15.3=-14.7+15.3=0.6
-(m+n) + (k+m) -(k-0,13)= -m-n+k+m-k+0.13=2.13+0.13=2.26
(c+d+k) - (c+ k - 15,3)= c+d+k-c-k+15.3=-14.7+15.3=0.6