| 806372-(343327+234045)=229000 | 302985+(489913-132285)=660613 |
| 289100+(786430-160068)=915462 | 928859-(137337+520000)=271522 |
| 3833+(667000-833)=670000 | 343936+(460885-174068)=630753 |
| 527512+(929081-780800)=675793 | 39100+(537262+416858)=993220 |
| 515656-(411733-118077)=222000 | 600000-(49065+34845)=516090 |
| 683322-(424482+192667)=66173 | 40243+(287989+660246)=988478 |
| 15951+(264347+568754)=849052 | 470091-(693559-523468)=300000 |
| 415819+(210000+145211)=771030 | 895121-(171417+505680)=218024 |
| 179259+(655194-286566)=547887 | 292544-(700960-437180)=28764 |
| 106996+(312160+80844)=500000 | 767825-(965067-528308)=331066 |
| 307438-(265586-58148)=100000 | 814184-(202000-146529)=758713 |
| 580638-(14788+262616)=303234 | 180791+(697051+45775)=923617 |