| 391392+(309537+282071)=983000 | 960000-(70297+459703)=430000 |
| 78612-(793407-714795)=0 | 151508+(104541+144062)=400111 |
| 667352-(524874-179587)=322065 | 598055-(480943+61112)=56000 |
| 162070+(455972+15170)=633212 | 76400+(845413-391813)=530000 |
| 505614+(517000-501288)=521326 | 237239+(908193-401076)=744356 |
| 576668-(123892+212776)=240000 | 650000-(860208-380208)=170000 |
| 218800+(715388-234188)=700000 | 250000+(20000+230000)=500000 |
| 765937-(985875-434801)=214863 | 605367+(666000-580000)=691367 |
| 682964-(663589-16578)=35953 | 131728-(195035-73307)=10000 |
| 319983-(38000+24176)=257807 | 542940+(386808+19386)=949134 |
| 809522+(780000-616385)=973137 | 491026-(81143+398390)=11493 |
| 985184-(444527+297761)=242896 | 26000+(92178+631822)=750000 |
