| 500000-(-971833+982833)=489000 | -521506-(-667398-479456)=625348 |
| 100000-(-25574-504792)=630366 | -36389-(998734-745123)=-290000 |
| 92353+(190000-515000)=-232647 | 803121-(810963-858197)=850355 |
| -171488+(-989000+832118)=-328370 | -154620+(-659669+914289)=100000 |
| -155075-(551415+154487)=-860977 | 664957-(-261000+44957)=881000 |
| -800000-(-367576+250218)=-682642 | 448861+(-608773-450000)=-609912 |
| 97805-(152625+919521)=-974341 | -263998-(470205+219000)=-953203 |
| 971007+(-951824-313183)=-294000 | -714888+(920417-672732)=-467203 |
| -570580-(633302-351449)=-852433 | 668529-(-348000+876704)=139825 |
| -423664+(-134400+437988)=-120076 | 942280-(689156+333124)=-80000 |
| -944944+(900000-771301)=-816245 | 406386+(-338529+582143)=650000 |
| 480425+(-306126-954299)=-780000 | -972823-(-450996-151827)=-370000 |
|
