610+200-500 280 - 160-> 370 - 260-1 240 - 130-> 490 - 170-> 770 - 660 860 - 350- 520+260 = 850 550= 750 630 = 120730 => 730+ 160 = 210670 = 890 360 = 580+210 = 840 720 = 310+ 180 = 120+660 = 960 450 = 660 410 = 220 + 270 = 970 850 = 340+ 140 = 580 360 990 780 = 760 450 = 960 850 = 470 150 = 130 + 260 = 680 440 = 110+580 = 580 260 = 120+670 = 530+ 360 = 690 560 = 220 + 460 = 370 = 780 250 = 460 150 = 310+ 180 = 120+750 = 740 + 150 = 660340 = 450 - 330 = 780-650 = 890 780 = 650 - 430 = 780 170 = 330 + 440 = 880 - 580 = 620-210 = 520+ 170 = 790-420 = 440+ 150 = 510+280 =