| -122622+(167052-712945)=-668515 | 797211-(690210-132351)=239352 |
| 934953-(977082+647871)=-690000 | 142395-(-549460+647855)=44000 |
| -596920-(696533-993453)=-300000 | 569726+(738811-385213)=923324 |
| 701428-(-587529+988957)=300000 | -400409+(876497-122753)=353335 |
| -570109-(-654343+164757)=-80523 | -654832+(-190000+492442)=-352390 |
| -2237+(-4497-598684)=-605418 | 618359+(-388440-789919)=-560000 |
| 763982+(-135447+191465)=820000 | 747256+(-615475+592449)=724230 |
| -683310-(-762652-611100)=690442 | -570580-(633302-351449)=-852433 |
| 509039-(580048-487182)=416173 | 689277+(-7943-886028)=-204694 |
| 476667-(-393074+669228)=200513 | -40357+(-411073-281414)=-732844 |
| -369839-(-171437-878402)=680000 | 100000-(-25574-504792)=630366 |
| -29765-(600000-439765)=-190000 | -529062-(136400+254978)=-920440 |
