5-7-13+15-22=........ -21+16-3-12+24=......... 13,5-24+2,5-5,3+3,2=...............

5-7-13+15-22=........ -21+16-3-12+24=......... 13,5-24+2,5-5,3+3,2=............... -2-13+15-22= -37+15=-22-21+1+24=-43+25=-18-10,5+2,5-8,5=-37+2,5=-34,5

5-7-13+15-22=-22 -21+16-3-12+24=4 13,5-24+2,5-5,3+3,2= -10,1

5-7-13+15-22= -22 bo 5-7=-2 -2-13=-15 -15+15=0 0-22 = -22 -21+16-3-12+24= 4 bo -21+16=-5 -5-3=-8 -8-12=-20 -20+24=4 13,5-24+2,5-5,3+3,2= 0,7 bo 13,5-24=-10,5 -10,5+2,5=-8 -8-5,3= -13,3 -13,3+3,2=10,1 Pozdro :)