| -651738+(892078-570340)=-330000 | 552100-(394631-505300)=662769 |
| 272176+(776332-478441)=570067 | 533036+(-218734+30412)=344714 |
| -238495-(132211+529294)=-900000 | -521506-(-667398-479456)=625348 |
| 755666-(-170413+499950)=426129 | -29744+(-770917+70661)=-730000 |
| -274485-(82511-716996)=360000 | 251021+(-272578-544408)=-565965 |
| -369479-(242783-952262)=340000 | -944263+(785973-670710)=-829000 |
| 49794+(-371000+727619)=406413 | 178457+(-188463-456783)=-466789 |
| 462500-(700555+281945)=-520000 | 618517-(387337-359366)=590546 |
| 110000+(400827-249827)=261000 | 812125-(-534869+826994)=520000 |
| 536415-(292922+745493)=-502000 | 200000-(-914576+795423)=319153 |
| -365200+(-255434-280270)=-900904 | -27608-(830780-348388)=-510000 |
| -200000+(-1000000+269000)=-931000 | -597224-(-400000+488325)=-685549 |
