| -541502+(481194-470175)=-530483 | 9038-(-538990-401462)=949490 |
| 406386+(-338529+582143)=650000 | -72125+(-104107+214663)=38431 |
| 188958-(954945-581681)=-184306 | 591212+(-636783-714429)=-760000 |
| 0-(641615+300000)=-941615 | -639036-(141554+79410)=-860000 |
| -223274+(-690000+298600)=-614674 | 573445-(-166592-19069)=759106 |
| -978045+(-95769+673814)=-400000 | -15185-(120121-510034)=374728 |
| -598538+(-20022-0)=-618560 | 494173-(-100837+860000)=-264990 |
| 838249+(-734846+477600)=581003 | 578045-(0+524958)=53087 |
| -864502-(-298244+154742)=-721000 | -847673+(210000-334000)=-971673 |
| 796000+(-193348-502652)=100000 | 370000+(1508-698658)=-327150 |
| 110585+(835667-357113)=589139 | -530158-(-563753-787870)=821465 |
| -284913-(23000+188856)=-496769 | -696287-(-900088+117958)=85843 |
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