| 781686-(540000-200000)=441686 | 600809+(220000-154890)=665919 |
| 6633+(73495+864601)=944729 | 279666+(531920-417190)=394396 |
| 573002-(478914+33843)=60245 | 551848+(214705+119700)=886253 |
| 748878+(687595-567321)=869152 | 26585+(201481+299)=228365 |
| 167232-(620000-602949)=150181 | 137765+(159000+250712)=547477 |
| 478690+(754558-368962)=864286 | 959691-(700000-512309)=772000 |
| 686392-(65994+45787)=574611 | 397593+(514526-290136)=621983 |
| 1000000-(224921+475079)=300000 | 113508-(103797-30793)=40504 |
| 500000+(862591-372591)=990000 | 130000+(59000+230271)=419271 |
| 198557-(187607-10508)=21458 | 985518-(650000+335518)=0 |
| 975200-(6889+768311)=200000 | 146820+(152478+571887)=871185 |
| 654148-(246085+100000)=308063 | 721705-(428253-276548)=570000 |