| 911221-(80620+583144)=247457 | 160294+(205163+564543)=930000 |
| 441518-(398680-211518)=254356 | 432098+(432174+135728)=1000000 |
| 799304-(179900+537163)=82241 | 873262+(353000-340000)=886262 |
| 590000-(220000+190000)=180000 | 478940+(261738+170000)=910678 |
| 300000-(285188-91512)=106324 | 267465-(582155-526657)=211967 |
| 657939-(534920-200000)=323019 | 839151+(896522-762000)=973673 |
| 137765+(159000+250712)=547477 | 248861+(889838-704000)=434699 |
| 551131+(373187-279930)=644388 | 22755+(56985+536934)=616674 |
| 380348-(720182-709834)=370000 | 640000+(885714-585714)=940000 |
| 890789-(930000-800000)=760789 | 712015+(67531+111443)=890989 |
| 831849-(226146+505703)=100000 | 753744-(690667+35297)=27780 |
| 846114-(185623+178000)=482491 | 501041+(786649-690000)=597690 |
