280 610280- 360 520+170-> 160-> 460 980-520 250-> 310+370-> 640-330 110780- 330+160- 510+380-> 980 550-> 430+140-> 610280 => 210+580- 340+150 770-260- 750 430- 210470-> 420+370 670 170720 560 250 140 = 410+180-> 130+250 590-380 = 340+250 = 630 540 => 110+530 570-270 = 470110 = 620+270- 660-31 710+180 = 540 330- 450+ 430 => 340+54 120 +770 = 840 720 = 970 420 = 210+560 = 890 780 650 = 110110 => 120+ 660 410 = 170+ 320 = 590 260 = 420 + 660 250 = 330 + 460 = 850 340 = 670- 970 850 = 590 280 = 290 120 = 220 580 360 110+770 = 420+ 170 = 450 740+ 140 = 520+ 360 = 110+680 = 310 470 + 220 = 760340 = 940 120 = 71 960 350 = 210+ 480 = 670 650 - 240 = 680-470 = 890 6 130+ 650 = 250 140 = 410 + 460 = 590-380 = 960 480-250 = 750 590 880 570-270 =