1) (325+791)+675 = 325 + 675 + 791 = 1000 + 791 = 1791
2) 428+856+572+244 = 856 + 244 + 428 + 572 = 1100 + 1000 = 2100
1)(675+325)+791=1791
2)856+244+428+572=2100
1) (325+791)+675 = 325 + 675 + 791 = 1000 + 791 = 1791
2) 428+856+572+244 = 856 + 244 + 428 + 572 = 1100 + 1000 = 2100
1)(675+325)+791=1791
2)856+244+428+572=2100