| 552100-(394631-505300)=662769 | 415854-(298085+551769)=-434000 |
| 206653-(-270000-187800)=664453 | -332251-(385600-197000)=-520851 |
| -289650-(160316-264762)=-185204 | -926502-(-51423-240000)=-635079 |
| -22942+(-238328+215452)=-45818 | 200000-(-720464+186464)=734000 |
| 409566-(-252805+570000)=92371 | -48602-(466129-646818)=132087 |
| -29744+(-770917+70661)=-730000 | -640000-(-522705+745082)=-862377 |
| 709132-(806578-387130)=289684 | -35748-(430417+451775)=-917940 |
| 666221-(660000-420000)=426221 | -7000-(98785+540000)=-645785 |
| 380000+(-88547+304000)=595453 | -456484-(-407468-149016)=100000 |
| 930000+(-119163-290514)=520323 | 728782-(347591+961191)=-580000 |
| -263938-(-73411-180415)=-10112 | 272762+(956667-370508)=858921 |
| 502951-(-625407+708358)=420000 | -534126+(806627-402501)=-130000 |
| -131769+(-29876-152743)=-314388 | 448861+(-608773-450000)=-609912 |
| -232957-(-76868-416089)=260000 | 13413-(-541528-248403)=803344 |
| 270000+(285877-87140)=468737 | -111129+(-186075+251674)=-45530 |
| -464950-(164617+369006)=-998573 | -300000+(-20000-62172)=-382172 |
| 199336+(-542141-522612)=-865417 | -517763-(-142987+596770)=-971546 |
| -43249+(-669866-178256)=-891371 | -700373+(352290-498247)=-846330 |
| 133588+(145016-944362)=-665758 | -34358+(481500-200000)=247142 |
| 272885-(-604360+371201)=506044 | 41267+(-500493+511849)=52623 |
| 586146-(175933-249787)=660000 | 620896+(-488147+757016)=889765 |
