| -868048+(978658-576650)=-466040 | -118575-(406612+113409)=-638596 |
| 121089-(-104930+660000)=-433981 | -407406-(129387-85701)=-451092 |
| 871632+(-919700-584640)=-632708 | -906690-(144783-195900)=-855573 |
| 494062+(-662761+3547)=-165152 | -22507+(-973013+678520)=-317000 |
| -206825+(-360362-377593)=-944780 | 718574+(955684-808996)=865262 |
| -573140+(-26127-215782)=-815049 | 300586-(623679+504093)=-827186 |
| 666600-(130000+990000)=-453400 | 13125-(-440185-437801)=891111 |
| 225448+(-338769+856728)=743407 | 167194-(-445850-170000)=783044 |
| -293894-(-376970+283076)=-200000 | -278880+(-856153+535033)=-600000 |
| 796000+(-193348-502652)=100000 | -157240-(190886+148389)=-496515 |
| -505697+(419053-92550)=-179194 | -683310-(-762652-611100)=690442 |
| 283275-(-535420+298695)=520000 | 580000-(1000000-998624)=578624 |
|
