| 693915-(180000+470733)=43182 | 483304+(320000-15000)=788304 |
| 19081+(642443-314288)=347236 | 47007+(269625+175529)=492161 |
| 384469+(384134+151074)=919677 | 233793-(522642-347510)=58661 |
| 234960+(14094+279539)=528593 | 375031+(645707-282659)=738079 |
| 806372-(343327+234045)=229000 | 162840-(851696-730679)=41823 |
| 226100+(567000+66900)=860000 | 229396-(333387-132258)=28267 |
| 297668+(976987-628447)=646208 | 780500-(812264-55251)=23487 |
| 519534-(809646-414890)=124778 | 418900+(640000-580284)=478616 |
| 120000+(240000-1130)=358870 | 995795-(292740+403683)=299372 |
| 942499-(82409+370090)=490000 | 41035+(751884+52895)=845814 |
| 455539-(157431+283862)=14246 | 207930+(126847+264017)=598794 |
| 571494-(940000-483275)=114769 | 528223-(200009+140014)=188200 |
