| 793693+(-316842-856000)=-379149 | 520000-(-708146+528146)=700000 |
| 689277+(-7943-886028)=-204694 | -20405+(-69401-874235)=-964041 |
| -175959+(420000-157400)=86641 | -100000-(350000+403128)=-853128 |
| -577142-(-179000+418728)=-816870 | -456484-(-407468-149016)=100000 |
| -987000-(-808171-296400)=117571 | -598749-(33000+8251)=-640000 |
| -980808-(-950000-720808)=690000 | 710764-(609547-653631)=754848 |
| 206000+(-250955+581000)=536045 | 137296-(-551043-158324)=846663 |
| -29744+(-770917+70661)=-730000 | 700181+(232702-432883)=500000 |
| -978045+(-95769+673814)=-400000 | 887254-(-526798+462294)=951758 |
| 721348-(659244+302104)=-240000 | 516803-(-102680-37599)=657082 |
| -938846+(-218209+683105)=-473950 | 567649-(324616-144003)=387036 |
| 640000+(257000-200000)=697000 | 847703-(833600-615897)=630000 |
|
