| -650000+(-149300+234536)=-564764 | 688143+(-402315+323172)=609000 |
| -578193-(-918585+547393)=-207001 | -775000-(890000-707911)=-957089 |
| 546776+(-637262+640486)=550000 | -825964-(-790000-0)=-35964 |
| 104620+(-949017+712804)=-131593 | -847673+(210000-334000)=-971673 |
| -63900+(-21237-83949)=-169086 | -443515+(-945145+820130)=-568530 |
| 490822-(226407-10832)=275247 | 97810+(220000-417810)=-100000 |
| 181662-(-211368-382465)=775495 | -700000-(-402114+512114)=-810000 |
| 151598-(-304351-387777)=843726 | -348015+(994066-168327)=477724 |
| -610000+(-48582-224487)=-883069 | 283275-(-535420+298695)=520000 |
| -24734-(709541+133898)=-868173 | 698841-(-580690+574946)=704585 |
| 779235-(530163-172787)=421859 | -537395-(730152-957733)=-309814 |
| 140125-(91536+25077)=23512 | 869133+(-201958-167000)=500175 |
