| 546950-(677684-674734)=544000 | 609778-(857044-817849)=570583 |
| 64950+(392617+202433)=660000 | 906353-(569900-246541)=582994 |
| 330271-(209236+116236)=4799 | 649931-(913939-681740)=417732 |
| 373130+(78842+142945)=594917 | 782963+(388042-171005)=1000000 |
| 159018+(227536+442446)=829000 | 61797+(576746+126457)=765000 |
| 806372-(343327+234045)=229000 | 580008-(14884+560000)=5124 |
| 717631-(513311+37568)=166752 | 960000-(430425+279575)=250000 |
| 505660+(784324-366200)=923784 | 363631-(145254-131553)=349930 |
| 210696+(752688-303384)=660000 | 804612-(683770-564902)=685744 |
| 673982-(132143+400000)=141839 | 667478+(100000-10205)=757273 |
| 131946+(129173+418881)=680000 | 92943+(340000+222297)=655240 |
| 320000+(694087-570087)=444000 | 221577+(639909-584723)=276763 |
