| -600000+(-86697-113303)=-800000 | 937121-(250000-87383)=774504 |
| 540000+(740537-785673)=494864 | -687503+(-236141+126960)=-796684 |
| 666221-(660000-420000)=426221 | -400000-(14701+10515)=-425216 |
| -878333+(-531953+859286)=-551000 | 573445-(-166592-19069)=759106 |
| -600000-(-678000+135096)=-57096 | -272525-(850352-568049)=-554828 |
| -82240+(96655-819676)=-805261 | -530000-(-76598-111432)=-341970 |
| 834837-(-391272+918839)=307270 | 869133+(-201958-167000)=500175 |
| -330389-(-778868+758479)=-310000 | 965417+(-994462+101914)=72869 |
| 220909+(-101419-599490)=-480000 | -64001+(-378014-300000)=-742015 |
| -341720-(143883+210238)=-695841 | -135564-(-629544-400000)=893980 |
| 425691-(723834+242162)=-540305 | 28920-(-892291+138211)=783000 |
| 272762+(956667-370508)=858921 | -160518+(403596-793078)=-550000 |
