| -509896-(160000+72654)=-742550 | -143751-(-98904-44847)=0 |
| 643400+(60000-851584)=-148184 | -534126+(806627-402501)=-130000 |
| 234477-(900000-39331)=-626192 | 566999-(-185093+112092)=640000 |
| -610000+(996543-440270)=-53727 | 448861+(-608773-450000)=-609912 |
| -885007+(-240000+943482)=-181525 | -577142-(-179000+418728)=-816870 |
| 916274-(-51408+676110)=291572 | 504566-(-185000+789566)=-100000 |
| -341720-(143883+210238)=-695841 | -162689-(-789384-341698)=968393 |
| 647216+(618643-660020)=605839 | 160883-(93405-61473)=128951 |
| -718137+(-158725-55000)=-931862 | -775000-(890000-707911)=-957089 |
| 875014-(455933+472536)=-53455 | -325628+(0+96111)=-229517 |
| -660000-(38407-917713)=219306 | -60231-(-246500-60000)=246269 |
| 360671+(-312462+326393)=374602 | 279225-(-973822+998529)=254518 |
