| 467667+(-589609-857010)=-978952 | -502874-(-600000+962126)=-865000 |
| 101802-(312692+219110)=-430000 | 359003+(210307-647339)=-78029 |
| 187956-(-58437-90000)=336393 | -379438+(-417046+944484)=148000 |
| -639036-(141554+79410)=-860000 | -595347-(22896+24209)=-642452 |
| -730790-(0-740000)=9210 | 700000-(-141358+241358)=600000 |
| 485849-(858797-372171)=-777 | 475229-(-19701-304013)=798943 |
| -36389-(998734-745123)=-290000 | 387931+(-916413+897713)=369231 |
| 539821+(-180761-752901)=-393841 | 348273-(497100+700000)=-848827 |
| -185148-(-820000+17606)=617246 | 830+(-30058+439269)=410041 |
| -294901-(-100000+490000)=-684901 | 636030-(-800080+567744)=868366 |
| -2237+(-4497-598684)=-605418 | -459070+(622393-389418)=-226095 |
| 601935-(390000+421594)=-209659 | -640740-(202113-442853)=-400000 |
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