| 664957-(-261000+44957)=881000 | 276173-(-33943+155043)=155073 |
| 217111+(-358326-767785)=-909000 | -731554-(-196061-683808)=148315 |
| 552100-(394631-505300)=662769 | -578193-(-918585+547393)=-207001 |
| -800000-(-587334+537334)=-750000 | -274485-(82511-716996)=360000 |
| 510000+(-870795+158072)=-202723 | -745871+(908000-103918)=58211 |
| 800000+(-481187-694821)=-376008 | 536415-(292922+745493)=-502000 |
| -97568+(-699659-88728)=-885955 | 380000-(-441417+491417)=330000 |
| -93300+(-30299-690000)=-813599 | -375883-(-100000+130000)=-405883 |
| -111996-(300000+99579)=-511575 | -521639+(-567772+709321)=-380090 |
| 813200-(-385882+489082)=710000 | -187302+(809514-345959)=276253 |
| 935726+(-331688-500000)=104038 | -100000-(93287-473287)=280000 |
| -23798-(302178+441218)=-767194 | 272762+(956667-370508)=858921 |
