| -278880+(-856153+535033)=-600000 | -22240+(-124242-369578)=-516060 |
| -639836+(837525-777689)=-580000 | 800000+(-732451+317164)=384713 |
| -280000+(436217-460269)=-304052 | 100000-(97937+712063)=-710000 |
| 602141-(-160000+652141)=110000 | -243497+(-567432+246142)=-564787 |
| 971007+(-951824-313183)=-294000 | -260304-(215440+212032)=-687776 |
| 885000-(899180-190744)=176564 | -757006+(-88972-17936)=-863914 |
| 75454-(-679890+747376)=7968 | 546120+(-360000-745904)=-559784 |
| -100000-(-169343+324343)=-255000 | -157240-(190886+148389)=-496515 |
| 501008-(-754362+872022)=383348 | -717125-(-764293+234168)=-187000 |
| -940272-(530000-799835)=-670437 | 828197-(574186+574011)=-320000 |
| -284799-(-114953+589792)=-759638 | -550000-(43870-4000)=-589870 |
| 321972-(116400-108117)=313689 | 401328+(364586-530000)=235914 |
|
