| 684445-(200844+113530)=370071 | 968355-(110713+770500)=87142 |
| 276897+(406881+186222)=870000 | 554708-(316143-203360)=441925 |
| 632265+(180000-178761)=633504 | 200000-(221503-202248)=180745 |
| 482588+(399852-71998)=810442 | 109898+(64497+125605)=300000 |
| 320000+(694087-570087)=444000 | 591442+(968369-749811)=810000 |
| 540000+(452303-294123)=698180 | 686392-(65994+45787)=574611 |
| 606478-(696645-490167)=400000 | 989458-(826041+122828)=40589 |
| 370178+(674996-290000)=755174 | 539878-(775479-500000)=264399 |
| 300000+(516012+73988)=890000 | 303144+(310000+21627)=634771 |
| 51182+(464749+441069)=957000 | 942914-(630655-547741)=860000 |
| 555902-(816474-445535)=184963 | 123625+(87515+500000)=711140 |
| 861833-(120340+641493)=100000 | 675700-(249617+360072)=66011 |
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