| -297526-(112901+568775)=-979202 | -200000+(895816-618408)=77408 |
| 962264+(439858-857767)=544355 | 933776-(912600-705080)=726256 |
| -398508+(-79732+278240)=-200000 | -328623-(158344+419538)=-906505 |
| 126575+(-634000+102103)=-405322 | 982688-(688900-219293)=513081 |
| 520000+(-220550+289386)=588836 | -570580-(633302-351449)=-852433 |
| -610000+(996543-440270)=-53727 | 151143-(699059+449095)=-997011 |
| 10040+(402348-905064)=-492676 | -591420-(-887171-86408)=382159 |
| -600828+(-102483+819075)=115764 | 571762-(-518639+132260)=958141 |
| 830371+(-390274-646043)=-205946 | 333800-(-801620+701098)=434322 |
| 869133+(-201958-167000)=500175 | -536782-(-721997-716912)=902127 |
| -306600-(713729-44856)=-975473 | 660000-(-470000+440000)=690000 |
| -22507+(-973013+678520)=-317000 | 89019-(263214+468097)=-642292 |