| 2655+(122169+539128)=663952 | 936745-(396909+259125)=280711 |
| 876917+(344387-251304)=970000 | 207267+(275700+69033)=552000 |
| 151038+(635316-351354)=435000 | 525283-(758634-710853)=477502 |
| 641393-(834972-566391)=372812 | 614738-(770000-685262)=530000 |
| 890000-(240000+504861)=145139 | 294913+(670800-305713)=660000 |
| 916642-(275508+408557)=232577 | 29443+(909800-765923)=173320 |
| 782809+(23503+48399)=854711 | 54871+(710000+137983)=902854 |
| 426223-(430000-284100)=280323 | 233793-(522642-347510)=58661 |
| 820272-(488661-268389)=600000 | 709391-(26044+273937)=409410 |
| 483194+(446720-384914)=545000 | 699720-(330277+186000)=183443 |
| 934367-(383237+374130)=177000 | 421656+(442703-38329)=826030 |
| 211000+(19646+682020)=912666 | 36116+(214746+179138)=430000 |