| 510000+(-180000-134000)=196000 | -78990-(0-888606)=809616 |
| -422985+(-330000-242427)=-995412 | 104862+(-165447+830585)=770000 |
| 586652+(-943448+219151)=-137645 | -725966-(-24802-850164)=149000 |
| -213412-(0+370229)=-583641 | 57572-(-203492+572288)=-311224 |
| -201604-(-964086+250000)=512482 | 288581+(907091-563228)=632444 |
| 244626-(-213864-398755)=857245 | -360000+(-208084+728084)=160000 |
| 666600-(130000+990000)=-453400 | 450282-(-116279+10547)=556014 |
| 689634-(507996+249638)=-68000 | -578372+(-950000+788372)=-740000 |
| 527369-(667394+555655)=-695680 | -509896-(160000+72654)=-742550 |
| 778901+(430789-684713)=524977 | 158058+(-236972-283324)=-362238 |
| -976903-(-208444-687577)=-80882 | 160000-(414967-520000)=265033 |
| -639836+(837525-777689)=-580000 | -190000-(6618-487940)=291322 |
