| -242270+(-35716-300000)=-577986 | -86565-(-943469+839067)=17837 |
| 614000+(-369703+163734)=408031 | -255150-(334600+85310)=-675060 |
| -868048+(978658-576650)=-466040 | -348342-(28000+207318)=-583660 |
| -139697-(-223457+83760)=0 | 200000-(-720464+186464)=734000 |
| -454302+(-259596+406420)=-307478 | -800000-(-587334+537334)=-750000 |
| -22219+(708300-468966)=217115 | 97805-(152625+919521)=-974341 |
| -63900+(-21237-83949)=-169086 | 234477-(900000-39331)=-626192 |
| 90868-(-441832+532700)=0 | 941300-(654358+822488)=-535546 |
| -434169+(-844951+857292)=-421828 | 110736-(-260354-404910)=776000 |
| 123425-(264164-919000)=778261 | -36389-(998734-745123)=-290000 |
| 42149+(45252-497401)=-410000 | -116382-(-728099+4310)=607407 |
| 161847+(-91551-947581)=-877285 | 180000+(-841296+633368)=-27928 |