| 710764-(609547-653631)=754848 | 689277+(-7943-886028)=-204694 |
| 293061+(40479-593540)=-260000 | 536415-(292922+745493)=-502000 |
| -245927+(234280-713860)=-725507 | 245604-(-879000+824604)=300000 |
| -228546+(-236634-26192)=-491372 | -1000000-(-629278+348094)=-718816 |
| 720000+(-701100+349100)=368000 | 134438-(-30000-578913)=743351 |
| -772745+(-820009+663953)=-928801 | 89019-(263214+468097)=-642292 |
| 643184+(157984-347229)=453939 | 591329+(-962766+54296)=-317141 |
| -699293-(-856390+364915)=-207818 | -738838-(170000+0)=-908838 |
| -175641+(846281-541272)=129368 | -339989+(-417742-212269)=-970000 |
| 971077-(958325-226085)=238837 | -129191-(656039-736523)=-48707 |
| -316089-(-3594-331355)=18860 | 248590+(-206437+811690)=853843 |
| -88105-(27983+639281)=-755369 | -100000-(93287-473287)=280000 |
