| 641393-(834972-566391)=372812 | 582637+(958440-845748)=695329 |
| 968978-(136647+290308)=542023 | 692041-(354403+8399)=329239 |
| 466146+(447956-140000)=774102 | 661511-(478093+110900)=72518 |
| 26474+(898899-429835)=495538 | 250512+(589324-517995)=321841 |
| 510000-(988097-798097)=320000 | 19372+(163125+617848)=800345 |
| 17103+(462202+280000)=759305 | 73674+(677798+239528)=991000 |
| 34272+(737400-141474)=630198 | 528223-(200009+140014)=188200 |
| 868148-(383008+435983)=49157 | 511164+(263007+155829)=930000 |
| 1000000-(357956-226522)=868566 | 9143+(844461+6396)=860000 |
| 700837-(863932-319111)=156016 | 728304-(390000-361696)=700000 |
| 110900+(544007+171446)=826353 | 570000+(475265-197781)=847484 |
| 508234-(489397-484163)=503000 | 722993-(30597+638900)=53496 |
