| 680000-(368928+228695)=82377 | 300000+(7414+118815)=426229 |
| 494013-(9901+364112)=120000 | 180791+(697051+45775)=923617 |
| 974754-(100000+670000)=204754 | 942499-(82409+370090)=490000 |
| 879211+(660000-560764)=978447 | 208124+(754030-440703)=521451 |
| 722993-(30597+638900)=53496 | 103000+(335805+117459)=556264 |
| 478690+(754558-368962)=864286 | 344708-(900000-805292)=250000 |
| 240264+(565134-203713)=601685 | 870332-(836101-230000)=264231 |
| 562326-(384839+142984)=34503 | 436063+(25600+271562)=733225 |
| 233429-(642759-582414)=173084 | 145919+(531269+278929)=956117 |
| 83336-(386563-317486)=14259 | 945090-(166086-30112)=809116 |
| 875733-(411867-135320)=599186 | 817571+(831693-731407)=917857 |
| 410000+(742717-551305)=601412 | 84206+(425095+176636)=685937 |