| -63571+(-91977+527778)=372230 | -268348-(617842-900000)=13810 |
| 21327-(693899+147500)=-820072 | 959293-(900623+178670)=-120000 |
| 632713-(471604-328743)=489852 | -762000+(810000-28000)=20000 |
| -138761+(-606873-226600)=-972234 | -949647-(-133589-326737)=-489321 |
| 800000+(-732451+317164)=384713 | 618517-(387337-359366)=590546 |
| -604926+(119396+105530)=-380000 | 27715-(-6426-311600)=345741 |
| 957099+(566653-523752)=1000000 | 830371+(-390274-646043)=-205946 |
| -56750-(300000+610000)=-966750 | -399699+(-125675-108535)=-633909 |
| 609105+(-452028-351974)=-194897 | 549263+(259300-542563)=266000 |
| -210581-(857714-810000)=-258295 | 394980-(-10095-445594)=850669 |
| -135564-(-629544-400000)=893980 | -331457-(-622937+557499)=-266019 |
| 644606-(-440180+340039)=744747 | -702271+(-407712+429983)=-680000 |
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