| -671608-(120027-993376)=201741 | -91216+(-816326-22889)=-930431 |
| 840015+(-93700-641984)=104331 | 975947+(482530-875671)=582806 |
| 0+(844433-359948)=484485 | 384821-(245400-409673)=549094 |
| -539079+(454430-247431)=-332080 | 226691-(-610177+803777)=33091 |
| 130000-(-66203-411757)=607960 | -263938-(-73411-180415)=-10112 |
| 803679+(-170576-73103)=560000 | -376904+(-810132+508562)=-678474 |
| 828197-(574186+574011)=-320000 | 583000-(856644-390000)=116356 |
| -667058-(-112603-727000)=172545 | -162639+(-593128+55767)=-700000 |
| -37838-(404959+17203)=-460000 | 302244+(372182-852398)=-177972 |
| -570580-(633302-351449)=-852433 | -760000+(-444751+534514)=-670237 |
| 409966+(-188000+686882)=908848 | 52153-(202691+644836)=-795374 |
| 13807-(-820923+864000)=-29270 | -27608-(830780-348388)=-510000 |
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