| -54217+(-593414-231279)=-878910 | 583000-(856644-390000)=116356 |
| 597782-(-888888+727518)=759152 | -250439-(280307-115356)=-415390 |
| -944263+(785973-670710)=-829000 | -350918+(-682393+233311)=-800000 |
| 70727-(14694+205187)=-149154 | -200000+(895816-618408)=77408 |
| -81780-(190000+620893)=-892673 | -29744+(-770917+70661)=-730000 |
| -72510-(-100000-136510)=164000 | 306368-(-288319+700000)=-105313 |
| -454352-(-818155+680000)=-316197 | 866806+(-785762+337452)=418496 |
| 80712-(610000+352355)=-881643 | 308700+(-585525-601975)=-878800 |
| -579487-(23219+397294)=-1000000 | 152574+(-642285-410253)=-899964 |
| 543000+(500000-353076)=689924 | -448176-(-532000+883824)=-800000 |
| -565706+(-577303+793009)=-350000 | 971077-(958325-226085)=238837 |
| 600262-(-60582+150844)=510000 | -163675-(184828-208503)=-140000 |
