| 649931-(913939-681740)=417732 | 328632+(927065-525697)=730000 |
| 200000+(72999+325767)=598766 | 714700-(306298+110000)=298402 |
| 77568+(248800+351933)=678301 | 966732-(442401-53744)=578075 |
| 190000+(141366+550100)=881466 | 117000-(377200-260200)=0 |
| 75311+(87743+231152)=394206 | 590000-(220000+190000)=180000 |
| 935115-(185736+229379)=520000 | 436936+(204103-201039)=440000 |
| 542940+(386808+19386)=949134 | 605367+(666000-580000)=691367 |
| 178413+(817854-432521)=563746 | 487024-(243801+143223)=100000 |
| 47858+(948449-660000)=336307 | 781686-(540000-200000)=441686 |
| 609778-(857044-817849)=570583 | 567177+(497344-164521)=900000 |
| 1000000-(785381+114619)=100000 | 989458-(826041+122828)=40589 |
| 376444+(300000+310000)=986444 | 700837-(863932-319111)=156016 |
