| -76099-(-251833+375734)=-200000 | -269853+(0+177428)=-92425 |
| 885035+(-686618+800000)=998417 | -217175-(-229375-237046)=249246 |
| -348352+(-2505+900857)=550000 | 400000-(-184000+960752)=-376752 |
| 830371+(-390274-646043)=-205946 | -671608-(120027-993376)=201741 |
| 540000+(874154-609800)=804354 | 728039-(-400000+386255)=741784 |
| 355663-(332868+135204)=-112409 | -469033+(470247-491214)=-490000 |
| -174733+(-145403-155622)=-475758 | -454352-(-818155+680000)=-316197 |
| 281681-(831253-605094)=55522 | 147239+(-178542+684211)=652908 |
| 487417+(510000-940345)=57072 | -127806-(177718+440000)=-745524 |
| -657084+(-43194-99722)=-800000 | -541942+(570000-699130)=-671072 |
| -490000-(3801+306199)=-800000 | -244798-(215549-647855)=187508 |
| 869133+(-201958-167000)=500175 | 101802-(312692+219110)=-430000 |