| -162455+(-672350+427476)=-407329 | -966461-(-814764-770935)=619238 |
| 151143-(699059+449095)=-997011 | 667237+(900000-700899)=866338 |
| 151598-(-304351-387777)=843726 | 197675-(887325-241897)=-447753 |
| 570000+(-760000+260981)=70981 | 504772-(640500-203638)=67910 |
| -840000+(-86082+926082)=0 | -620000-(-719648-607900)=707548 |
| 768084+(-601593-242136)=-75645 | -140273-(141347+358159)=-639779 |
| -892473-(94364-693936)=-292901 | -203096-(168425-711189)=339668 |
| -961235+(400208-106077)=-667104 | -16920-(344194+155219)=-516333 |
| -848385-(-879569+131184)=-100000 | 601935-(390000+421594)=-209659 |
| 387786+(118614-80477)=425923 | -152062+(-351972-492805)=-996839 |
| 480644+(-731530-430235)=-681121 | -171488+(-989000+832118)=-328370 |
| -368272-(-110000-177272)=-81000 | 724195-(-621436+570065)=775566 |
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