| -339989+(-417742-212269)=-970000 | 400000-(-184000+960752)=-376752 |
| 650000+(-270000-690000)=-310000 | 179419+(723076-190806)=711689 |
| -815085-(-601388+620018)=-833715 | 892382-(63135+44223)=785024 |
| -640740-(202113-442853)=-400000 | -399699+(-125675-108535)=-633909 |
| -502739-(-305198+777279)=-974820 | -939414+(873900-48900)=-114414 |
| -20000+(735254-897832)=-182578 | -15185-(120121-510034)=374728 |
| -722183+(-123647-0)=-845830 | 687529-(-110201-160484)=958214 |
| -124172-(711975-336147)=-500000 | 180000-(811331-201331)=-430000 |
| 647216+(618643-660020)=605839 | 747256+(-615475+592449)=724230 |
| 930147+(-623348-382400)=-75601 | -803627-(-282182-365445)=-156000 |
| -133024+(-987116+728516)=-391624 | -171873-(-400000+68127)=160000 |
| 101802-(312692+219110)=-430000 | 132674+(-245900+763226)=650000 |
