1) 1252304+6531000-851106 = 288000+653000-90206 = 950792) 457100+1423(6123-5941)-11007 = 457100+1423(182)-11007 = 457100+260086-11007 = 706173) 382905+618905 = 344810+561090 = 905904) 749709+251709 = 531541+177959 = 709505) 1027378-72:36905-628:4 = 388506-2905-157 = 384646) (65015+35015)0+800:32-27 = 150000+25-27 = -2
1) 1252304+6531000-851106 = 288000+653000-90206 = 95079
2) 457100+1423(6123-5941)-11007 = 457100+1423(182)-11007 = 457100+260086-11007 = 70617
3) 382905+618905 = 344810+561090 = 90590
4) 749709+251709 = 531541+177959 = 70950
5) 1027378-72:36905-628:4 = 388506-2905-157 = 38464
6) (65015+35015)0+800:32-27 = 150000+25-27 = -2