| -490000-(465747-878229)=-77518 | -591420-(-887171-86408)=382159 |
| 578045-(0+524958)=53087 | 49794+(-371000+727619)=406413 |
| -16920-(344194+155219)=-516333 | 151143-(699059+449095)=-997011 |
| -980650+(650000-80732)=-411382 | -398508+(-79732+278240)=-200000 |
| -111996-(300000+99579)=-511575 | 741880-(-44032+563287)=222625 |
| 262503+(768034-531122)=499415 | -358187+(-775599+991616)=-142170 |
| -316089-(-3594-331355)=18860 | 988371+(-420612-791365)=-223606 |
| -379438+(-417046+944484)=148000 | -723775+(-407646+657904)=-473517 |
| 710764-(609547-653631)=754848 | -994314+(160806+33508)=-800000 |
| -366391-(304305-590000)=-80696 | 660000-(-470000+440000)=690000 |
| 300000+(-70783-729217)=-500000 | -54860-(-544135+595931)=-106656 |
| 438886-(-79367-242964)=761217 | 506594-(770000-58722)=-204684 |
