| 178457+(-188463-456783)=-466789 | 540000+(740537-785673)=494864 |
| -324830-(270787-1045)=-594572 | -530000-(-76598-111432)=-341970 |
| -702271+(-407712+429983)=-680000 | -281527+(-75434-276988)=-633949 |
| 270000+(285877-87140)=468737 | -604926+(119396+105530)=-380000 |
| -550000-(43870-4000)=-589870 | 140125-(91536+25077)=23512 |
| -135564-(-629544-400000)=893980 | -138761+(-606873-226600)=-972234 |
| -68439-(465669+0)=-534108 | 644606-(-440180+340039)=744747 |
| 303217-(0-660000)=963217 | 494062+(-662761+3547)=-165152 |
| 244706-(-793942+118087)=920561 | 438886-(-79367-242964)=761217 |
| 650000+(-270000-690000)=-310000 | 752810+(-923940-828870)=-1000000 |
| -558162-(-9192+99080)=-648050 | 971077-(958325-226085)=238837 |
| -171820+(-350000+756005)=234185 | 577298-(766642+110656)=-300000 |
