| -864502-(-298244+154742)=-721000 | 509039-(580048-487182)=416173 |
| 428872+(-750076+467241)=146037 | -454701+(-43702+138403)=-360000 |
| -759765+(350000+209765)=-200000 | -309745-(142951+87304)=-540000 |
| 192498+(-87388-481346)=-376236 | -227219+(-169318+666537)=270000 |
| 516767-(-707209+753976)=470000 | 490822-(226407-10832)=275247 |
| -994314+(160806+33508)=-800000 | -187300-(-742517+4699)=550518 |
| 773468+(746539-936314)=583693 | 206653-(-270000-187800)=664453 |
| -23809+(-209502-121075)=-354386 | 473459+(-157000+83541)=400000 |
| 847703-(833600-615897)=630000 | -700000-(-870000+990000)=-820000 |
| -260304-(215440+212032)=-687776 | -906690-(144783-195900)=-855573 |
| 741880-(-44032+563287)=222625 | -61635+(-915317+616952)=-360000 |
| 695593+(-51422+269609)=913780 | 416565+(613056-60000)=969621 |