| -301256+(-336401+343253)=-294404 | -391523+(-126000+31501)=-486022 |
| 547255+(-996652-430603)=-880000 | 535203+(751935-519504)=767634 |
| 306368-(-288319+700000)=-105313 | -520059-(-579673-680000)=739614 |
| 711068-(520707+190361)=0 | -847673+(210000-334000)=-971673 |
| -435491+(-100000-321351)=-856842 | 545876-(-400706-0)=946582 |
| -238000-(319084-75084)=-482000 | 374009-(883959-680000)=170050 |
| 375259+(-395472-496432)=-516645 | -155075-(551415+154487)=-860977 |
| -247734-(-720000+592237)=-119971 | -700000-(-402114+512114)=-810000 |
| 514300+(162455-266755)=410000 | 746552-(-714985+900712)=560825 |
| -580483-(-750000+59517)=110000 | 145263-(-726414-16808)=888485 |
| 322675-(52886-333185)=602974 | 217111+(-358326-767785)=-909000 |
| -495448+(68189-357765)=-785024 | -598749-(33000+8251)=-640000 |