1) 1252304+6531000-851106 = 288000+653000-90206 = 9507942) 457100+1423(6123-5941)-11007 = 457100+1423(182)-11007 = 457100+260086-11007 = 7061793) 382905+618905 = 344810+561090 = 9059004) 749709+251709 = 531541+177959 = 7095005) 1027378-72:36905-628:4 = 388506-2905-157 = 3846446) (65015+35015)0+800:32-27 = 150000+25-27 = -2
1) 1252304+6531000-851106 = 288000+653000-90206 = 950794
2) 457100+1423(6123-5941)-11007 = 457100+1423(182)-11007 = 457100+260086-11007 = 706179
3) 382905+618905 = 344810+561090 = 905900
4) 749709+251709 = 531541+177959 = 709500
5) 1027378-72:36905-628:4 = 388506-2905-157 = 384644
6) (65015+35015)0+800:32-27 = 150000+25-27 = -2