| 716541-(793414-329123)=252250 | 550000+(11081+43776)=604857 |
| 400000+(180762+145194)=725956 | 47000-(913843-902170)=35327 |
| 97241+(140000+362759)=600000 | 606478-(696645-490167)=400000 |
| 80000+(725028-128921)=676107 | 446240-(910000-693760)=230000 |
| 541344-(201612+300000)=39732 | 121060+(600000-361060)=360000 |
| 799770-(123490+212905)=463375 | 900000-(198288+525107)=176605 |
| 100000+(218679+42978)=361657 | 934367-(383237+374130)=177000 |
| 91969+(280520+471205)=843694 | 210267+(399553+188940)=798760 |
| 117299+(935864-700000)=353163 | 798517+(400000-356709)=841808 |
| 76400+(845413-391813)=530000 | 709391-(26044+273937)=409410 |
| 318995-(614948-395953)=100000 | 970000-(325030+7831)=637139 |
| 940000-(406639-281025)=814386 | 312349+(917002-450874)=778477 |
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