| -358434+(-460900+815334)=-4000 | -862944-(-76151-116873)=-669920 |
| -565706+(-577303+793009)=-350000 | -175641+(846281-541272)=129368 |
| -90829+(-238327+823156)=494000 | 779235-(530163-172787)=421859 |
| 188700+(-198777-694535)=-704612 | 245604-(-879000+824604)=300000 |
| -171873-(-400000+68127)=160000 | 366518-(885118+390379)=-908979 |
| 387035+(-955133-276705)=-844803 | 597782-(-888888+727518)=759152 |
| 890749+(173311-255127)=808933 | -745019-(-613373+108145)=-239791 |
| -29765-(600000-439765)=-190000 | 640000+(-943952+169580)=-134372 |
| -639890-(532009-377458)=-794441 | 181625-(-153365-643000)=977990 |
| 166532-(-547316+873848)=-160000 | -596920-(696533-993453)=-300000 |
| 10040+(402348-905064)=-492676 | -502739-(-305198+777279)=-974820 |
| -23798-(302178+441218)=-767194 | 380409-(907653-111447)=-415797 |
|
