| 692041-(354403+8399)=329239 | 180499+(79454+410047)=670000 |
| 680000-(760533-649901)=569368 | 176822+(626703-230000)=573525 |
| 968978-(136647+290308)=542023 | 253517+(94694+251789)=600000 |
| 683322-(424482+192667)=66173 | 171014+(77000+93347)=341361 |
| 670000-(230000+340000)=100000 | 106996+(312160+80844)=500000 |
| 180000+(1000000-233160)=946840 | 641657+(805687-447344)=1000000 |
| 1000000-(408233+138379)=453388 | 482588+(399852-71998)=810442 |
| 803014-(568399-120000)=354615 | 748878+(687595-567321)=869152 |
| 620000+(727172-390177)=956995 | 207411+(46718+230000)=484129 |
| 657648-(1000000-387406)=45054 | 908004-(709229-142225)=341000 |
| 61470+(338475+410055)=810000 | 650000-(860208-380208)=170000 |
| 494940-(596725-501785)=400000 | 581902-(313107+268795)=0 |
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