| -272000+(-379842-290958)=-942800 | -700000-(-402114+512114)=-810000 |
| -177674-(234978+201437)=-614089 | 520000-(-708146+528146)=700000 |
| 359003+(210307-647339)=-78029 | 395470-(108213+279307)=7950 |
| -660000-(38407-917713)=219306 | -762000+(810000-28000)=20000 |
| -84608+(-538450-156965)=-780023 | -223274+(-690000+298600)=-614674 |
| 753575-(-86457-7085)=847117 | 200000-(-720464+186464)=734000 |
| -190000-(184181+429364)=-803545 | 77471-(-308242-83752)=469465 |
| 886550-(796773-175431)=265208 | 139548+(952935-990000)=102483 |
| 900572+(-120041-800000)=-19469 | -128759+(162375-336512)=-302896 |
| 21327-(693899+147500)=-820072 | -738105+(-296084+388898)=-645291 |
| 26290+(-279000+220710)=-32000 | 618359+(-388440-789919)=-560000 |
| 360309-(340431+319878)=-300000 | -739442-(-470000-787455)=518013 |
