| 263523+(132866+36558)=432947 | 207930+(126847+264017)=598794 |
| 907105-(933451-650754)=624408 | 453640+(236886+139474)=830000 |
| 321745+(250000+177000)=748745 | 682948+(770823-534882)=918889 |
| 709391-(26044+273937)=409410 | 800000-(281393+18607)=500000 |
| 896884-(414116+410000)=72768 | 877721-(48147+250000)=579574 |
| 421656+(442703-38329)=826030 | 527321-(780457-623831)=370695 |
| 142507+(918370-300877)=760000 | 179259+(655194-286566)=547887 |
| 870382-(955615-322613)=237380 | 56710+(741676-408386)=390000 |
| 34272+(737400-141474)=630198 | 487024-(243801+143223)=100000 |
| 537202-(930927-637000)=243275 | 121155+(140000+433754)=694909 |
| 435264-(330348-90041)=194957 | 554708-(316143-203360)=441925 |
| 376444+(300000+310000)=986444 | 786782-(243644+269051)=274087 |
