| -443841+(660000-959813)=-743654 | 351997-(-114390-264772)=731159 |
| -399699+(-125675-108535)=-633909 | 360309-(340431+319878)=-300000 |
| 160883-(93405-61473)=128951 | -369839-(-171437-878402)=680000 |
| 211000-(460212+590038)=-839250 | 226043-(-400000-79400)=705443 |
| -223274+(-690000+298600)=-614674 | -151856+(-485554+660000)=22590 |
| -15185-(120121-510034)=374728 | -104523-(789898+10000)=-904421 |
| -272000+(-379842-290958)=-942800 | -257802-(-370000+923849)=-811651 |
| 922872+(-480248-485205)=-42581 | 840015+(-93700-641984)=104331 |
| 668529-(-348000+876704)=139825 | 345955-(-81816-202229)=630000 |
| 900000-(481850+460122)=-41972 | -207188-(400000+287679)=-894867 |
| 697917+(-538093+650000)=809824 | 540000+(136281-115135)=561146 |
| -366391-(304305-590000)=-80696 | 25608+(-347407+203412)=-118387 |
