| 15951+(264347+568754)=849052 | 146000+(274266+557766)=978032 |
| 456333-(253506+167000)=35827 | 144877+(740000-603418)=281459 |
| 350239+(155607+257080)=762926 | 833791-(47804+525046)=260941 |
| 568525-(730022-278722)=117225 | 564859+(200312+234829)=1000000 |
| 862060-(53912+63200)=744948 | 326743+(723796-450539)=600000 |
| 397153-(726417-410000)=80736 | 930264+(865670-820000)=975934 |
| 923000-(710000-10000)=223000 | 780000+(711715-677000)=814715 |
| 870382-(955615-322613)=237380 | 900000-(198288+525107)=176605 |
| 218800+(715388-234188)=700000 | 600000-(823462-473462)=250000 |
| 42233+(627500-71276)=598457 | 130000+(59000+230271)=419271 |
| 870829-(241509+335906)=293414 | 1750+(359254+138996)=500000 |
| 985827-(132501+565049)=288277 | 257428-(626309-548915)=180034 |
