| 830000-(198546+54075)=577379 | 176822+(626703-230000)=573525 |
| 586190-(600000-360372)=346562 | 200000+(945860-245860)=900000 |
| 444400+(31522+17882)=493804 | 472476-(26877+100000)=345599 |
| 508651+(530285-304408)=734528 | 988330-(611514+286425)=90391 |
| 351287+(156643+147782)=655712 | 203000+(668366-36486)=834880 |
| 743536-(624051-123602)=243087 | 663133-(761332-614140)=515941 |
| 185870+(251236+12730)=449836 | 397593+(514526-290136)=621983 |
| 987925-(471953-380000)=895972 | 800000-(281393+18607)=500000 |
| 383599+(140000+296401)=820000 | 842168+(233092-88000)=987260 |
| 783999-(123629+266776)=393594 | 891303-(929174-737871)=700000 |
| 435264-(330348-90041)=194957 | 490000+(129899+359133)=979032 |
| 200000+(53750+29026)=282776 | 650000-(137983+491197)=20820 |
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