| -840000-(-490823+153606)=-502783 | 203691-(905021+224178)=-925508 |
| -683310-(-762652-611100)=690442 | 425786+(-357334-423058)=-354606 |
| 240152-(165787+354813)=-280448 | 114374-(-115500-300068)=529942 |
| -36389-(998734-745123)=-290000 | 246386-(941133-388835)=-305912 |
| -590000+(-778265+640971)=-727294 | 360982+(-442445+361876)=280413 |
| 933776-(912600-705080)=726256 | -534126+(806627-402501)=-130000 |
| -157240-(190886+148389)=-496515 | 890749+(173311-255127)=808933 |
| -988912-(506578-709193)=-786297 | -540000+(-183511+160247)=-563264 |
| 130000-(-490000+450000)=170000 | -640648-(110760-261408)=-490000 |
| 533022+(600000-526689)=606333 | -470453+(-931873+742326)=-660000 |
| 277164+(-701163+369667)=-54332 | 0-(-71597-84500)=156097 |
| -620000-(-719648-607900)=707548 | 200000-(-914576+795423)=319153 |