| 913118+(-571000-191841)=150277 | -320000-(4881+416197)=-741078 |
| 514300+(162455-266755)=410000 | 370000+(1508-698658)=-327150 |
| 279225-(-973822+998529)=254518 | -816732-(-269996-46736)=-500000 |
| 516767-(-707209+753976)=470000 | -610000+(996543-440270)=-53727 |
| 356453+(-669334+654490)=341609 | 402049-(112964+960512)=-671427 |
| -272000+(-379842-290958)=-942800 | 322675-(52886-333185)=602974 |
| -540000+(-183511+160247)=-563264 | 789051-(997321-363002)=154732 |
| 467667+(-589609-857010)=-978952 | -293894-(-376970+283076)=-200000 |
| -434694-(300000-126038)=-608656 | -247734-(-720000+592237)=-119971 |
| -406289-(154596+241904)=-802789 | 456383+(-943114+986731)=500000 |
| 206128-(-551177+766219)=-8914 | -246263+(-550959-20727)=-817949 |
| -22507+(-973013+678520)=-317000 | 80712-(610000+352355)=-881643 |