| -502874-(-600000+962126)=-865000 | 934953-(977082+647871)=-690000 |
| -180512-(-253471-868848)=941807 | -279787-(347167+47537)=-674491 |
| -407406-(129387-85701)=-451092 | -190000-(184181+429364)=-803545 |
| -190000+(-909302+280567)=-818735 | 710764-(609547-653631)=754848 |
| 930147+(-623348-382400)=-75601 | -520923+(-489377+280300)=-730000 |
| -152097+(-196073+108170)=-240000 | -662254+(980000-810000)=-492254 |
| 152574+(-642285-410253)=-899964 | -469033+(470247-491214)=-490000 |
| -630064-(-252456+489402)=-867010 | 954369+(155984-565700)=544653 |
| 887254-(-526798+462294)=951758 | 578532-(-193122-157826)=929480 |
| 695028-(-95907-124286)=915221 | 555000-(452000+190000)=-87000 |
| 620896+(-488147+757016)=889765 | 45890+(-974531+111958)=-816683 |
| 790000-(-57742+543061)=304681 | 543000+(500000-353076)=689924 |
