| -767641-(816899-864540)=-720000 | -836000-(-550000-896640)=610640 |
| -550000-(43870-4000)=-589870 | 480644+(-731530-430235)=-681121 |
| 257339+(-339038+140000)=58301 | -669848-(383105-901385)=-151568 |
| 88260+(-160000-921789)=-993529 | 138263-(-355807+671070)=-177000 |
| 0+(115977-435884)=-319907 | 339541-(590480-30939)=-220000 |
| -439542-(-999738+978789)=-418593 | 476667-(-393074+669228)=200513 |
| 341556+(-819800+955939)=477695 | 521235+(668763-991998)=198000 |
| 257103+(97303-538866)=-184460 | -234528+(-568130+315572)=-487086 |
| 320000-(156167+623833)=-460000 | -840000+(-86082+926082)=0 |
| -124172-(711975-336147)=-500000 | 300586-(623679+504093)=-827186 |
| -22507+(-973013+678520)=-317000 | -564829+(-150002-246295)=-961126 |
| 365973-(816000-230027)=-220000 | -709147-(-175432-723715)=190000 |
