| 404196-(315140-279882)=368938 | 159018+(227536+442446)=829000 |
| 773795-(174281+340000)=259514 | 29228+(129982-13127)=146083 |
| 868696-(864007-458311)=463000 | 33316+(685283+47172)=765771 |
| 399936+(297256+99457)=796649 | 573300-(386730-126420)=312990 |
| 860353-(309638-49285)=600000 | 420000-(10155+305845)=104000 |
| 517112+(807624-484736)=840000 | 306905+(862793-336579)=833119 |
| 374610-(290000+37969)=46641 | 984432-(886939-305660)=403153 |
| 388058+(830000-358000)=860058 | 290256+(400000+147103)=837359 |
| 330271-(209236+116236)=4799 | 218776+(463977-462753)=220000 |
| 965954-(461330+250000)=254624 | 328867+(381656-17871)=692652 |
| 373130+(78842+142945)=594917 | 314352+(318510+157138)=790000 |
| 952499-(32423+323346)=596730 | 400000-(948153-784359)=236206 |
