| -521231-176866-102346=-800443 | -608082+665442-997360=-940000 |
| -287453-292661+171571=-408543 | -293118+205254-442082=-529946 |
| 740000-887288-703980=-851268 | -67987+445553+434282=811848 |
| -347550-495244+847000=4206 | 295376-896856+562922=-38558 |
| -242459-25000-128100=-395559 | -370000+513866-61884=81982 |
| 235832-276131+320299=280000 | 840000+396909-623170=613739 |
| -259015-135110-3000=-397125 | -341847+793350-851503=-400000 |
| 480494-718848+285620=47266 | -315383+700714+230000=615331 |
| -578849-192152+825333=54332 | 0-15861+305861=290000 |
| 426002-36729+63690=452963 | 125923-936412+410489=-400000 |
| 486775+306500-209275=584000 | -460000+957111-147111=350000 |
| 359582+597853-618933=338502 | -547483+219419+300000=-28064 |
