| 510000-(988097-798097)=320000 | 310000+(35633+532569)=878202 |
| 520000+(735505-585505)=670000 | 313001-(893896-861375)=280480 |
| 669738+(87200+202979)=959917 | 100000+(619698+110302)=830000 |
| 260888+(234800+106800)=602488 | 900000-(171000+219000)=510000 |
| 261024+(820117-681141)=400000 | 200000+(72999+325767)=598766 |
| 650076-(464425-51006)=236657 | 636998+(134892+73084)=844974 |
| 890986-(834670-332668)=388984 | 144877+(740000-603418)=281459 |
| 502000-(102639-41746)=441107 | 722539-(212705+89834)=420000 |
| 500000+(87000+104509)=691509 | 343936+(460885-174068)=630753 |
| 442708+(892926-844986)=490648 | 551131+(373187-279930)=644388 |
| 554708-(316143-203360)=441925 | 540798-(289550-86041)=337289 |
| 795790-(128976+120315)=546499 | 171014+(77000+93347)=341361 |
| 582637+(958440-845748)=695329 | 734851-(209258+200000)=325593 |
| 85805+(170028+48852)=304685 | 294913+(670800-305713)=660000 |
| 50911+(71108+727981)=850000 | 121265+(991048-200000)=912313 |
| 374780-(70000+304780)=0 | 780894+(145622-45991)=880525 |
| 732635-(488802+155833)=88000 | 645977-(508010-462033)=600000 |
| 799770-(123490+212905)=463375 | 965778-(235807+269971)=460000 |
| 737850-(230000+248600)=259250 | 979904-(610494-240590)=610000 |
| 951298-(245343-131000)=836955 | 185789+(262950+448731)=897470 |
| 801907+(307560-113300)=996167 | 609778-(857044-817849)=570583 |
