| 170702+(489504-120792)=539414 | 786327+(209962-96289)=900000 |
| 139137+(151460+212886)=503483 | 501041+(786649-690000)=597690 |
| 33392+(420605+539624)=993621 | 612109-(443300-281191)=450000 |
| 519534-(809646-414890)=124778 | 366900-(694903-613705)=285702 |
| 694999-(58+413860)=281081 | 876917+(344387-251304)=970000 |
| 861833-(120340+641493)=100000 | 39651+(135272+234967)=409890 |
| 966664-(284666+490000)=191998 | 111989+(497040-376353)=232676 |
| 257503+(211694+430803)=900000 | 746345-(201072+355273)=190000 |
| 400000+(126165+25649)=551814 | 754099-(720000-649402)=683501 |
| 822790-(400000+422790)=0 | 108933+(445409+166658)=721000 |
| 362082-(120567+210000)=31515 | 3015+(676670-322015)=357670 |
| 663133-(761332-614140)=515941 | 233429-(642759-582414)=173084 |
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