| -21467-(400528+533368)=-955363 | -261584+(400000-491150)=-352734 |
| 57322-(-646176-166502)=870000 | 8501-(-436270-552757)=997528 |
| 619983+(363804-612366)=371421 | -14845+(-67029+510874)=429000 |
| 494062+(-662761+3547)=-165152 | -542735+(-84774-283431)=-910940 |
| 168591+(-240000-881591)=-953000 | -762000+(810000-28000)=20000 |
| -163675-(184828-208503)=-140000 | 485849-(858797-372171)=-777 |
| 302244+(372182-852398)=-177972 | -78990-(0-888606)=809616 |
| 988010-(731315-519525)=776220 | -339989+(-417742-212269)=-970000 |
| -406061-(401289-284000)=-523350 | -390000-(-963638-426362)=1000000 |
| -358434+(-460900+815334)=-4000 | 235078+(-760000+698900)=173978 |
| 875014-(455933+472536)=-53455 | -39662-(-586135+73576)=472897 |
| 533325+(-175826-543066)=-185567 | -475567-(37921+20171)=-533659 |
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