| 209653+(275294-198617)=286330 | 695593+(-51422+269609)=913780 |
| 374997+(-989280-200000)=-814283 | 504312+(839622-680297)=663637 |
| -712684+(57812+517872)=-137000 | -840000-(-490823+153606)=-502783 |
| 934953-(977082+647871)=-690000 | 988010-(731315-519525)=776220 |
| 957202-(558688-398463)=796977 | -186173-(100000+574355)=-860528 |
| 303217-(0-660000)=963217 | -355283-(-958623+555500)=47840 |
| 245604-(-879000+824604)=300000 | -648649-(980000-868459)=-760190 |
| -339989+(-417742-212269)=-970000 | -711178+(918981-68254)=139549 |
| -406061-(401289-284000)=-523350 | 426158-(-727000+895158)=258000 |
| -358434+(-460900+815334)=-4000 | -72510-(-100000-136510)=164000 |
| 206128-(-551177+766219)=-8914 | -325260+(-172426+227686)=-270000 |
| -490000-(3801+306199)=-800000 | 953664+(-358434-130000)=465230 |
