| -8000+(-431411-489869)=-929280 | -944263+(785973-670710)=-829000 |
| -120000+(-721379+480000)=-361379 | -652037-(-527082-358366)=233411 |
| -389822+(-29902-50276)=-470000 | -195992+(-349454-34554)=-580000 |
| -294901-(-100000+490000)=-684901 | 390000+(234509-554616)=69893 |
| 209627+(758522-668149)=300000 | 157000-(-137392-451323)=745715 |
| -709147-(-175432-723715)=190000 | 292815+(-64313+288498)=517000 |
| 281681-(831253-605094)=55522 | -144539-(368350-42889)=-470000 |
| 211000-(460212+590038)=-839250 | 988010-(731315-519525)=776220 |
| -777300-(583327-501627)=-859000 | -541427-(-766357+515196)=-290266 |
| 735800+(421510-480000)=677310 | 396784-(-477668+74893)=799559 |
| 982688-(688900-219293)=513081 | -54319+(313681-449485)=-190123 |
| -597647-(10624+240080)=-848351 | -651738+(892078-570340)=-330000 |
| 930000+(-980023+749609)=699586 | 175510-(-472148+493093)=154565 |
| -266983-(929533-891829)=-304687 | 320000-(156167+623833)=-460000 |
| 415854-(298085+551769)=-434000 | -595347-(22896+24209)=-642452 |
| -53395+(-245149-101456)=-400000 | -100000-(-958037+469750)=388287 |
| 476300+(-865396-510904)=-900000 | -77340-(671919-466100)=-283159 |
| 200000-(-328843+687799)=-158956 | 181625-(-153365-643000)=977990 |
| 630142+(-200898+380756)=810000 | 720000+(-768990-783126)=-832116 |
| -207878+(-324292-278571)=-810741 | 618359+(-388440-789919)=-560000 |
| 160023-(-12637-142304)=314964 | -752934-(-931274-84977)=263317 |