| -228546+(-236634-26192)=-491372 | 609691+(-435281-924410)=-750000 |
| -260000-(588057-623827)=-224230 | -731554-(-196061-683808)=148315 |
| 276200-(-252647-140978)=669825 | 212817-(939705-21096)=-705792 |
| -739442-(-470000-787455)=518013 | -154800+(25630+829170)=700000 |
| -482814+(116685-263162)=-629291 | 540000+(874154-609800)=804354 |
| -531242-(-779788-439871)=688417 | -185582-(168385-173967)=-180000 |
| -58100-(520000+306378)=-884478 | 535203+(751935-519504)=767634 |
| -243497+(-567432+246142)=-564787 | -528979-(-728560+175808)=23773 |
| -529062-(136400+254978)=-920440 | -712684+(57812+517872)=-137000 |
| 573472-(-768000+581999)=759473 | 509039-(580048-487182)=416173 |
| 106843-(423000+390600)=-706757 | -450821-(216412+7642)=-674875 |
| 409566-(-252805+570000)=92371 | 46635-(173375+260000)=-386740 |
| 175510-(-472148+493093)=154565 | -193459+(-373666-186364)=-753489 |
| -500000+(-261858-90000)=-851858 | 510000+(-180000-134000)=196000 |
| 638861-(824748-913883)=727996 | 380000-(-441417+491417)=330000 |
| -171820+(-350000+756005)=234185 | -266983-(929533-891829)=-304687 |
| -509007-(-970007+761000)=-300000 | 80712-(610000+352355)=-881643 |
| 319309+(-914693-24194)=-619578 | -972823-(-450996-151827)=-370000 |
| -200000+(-1000000+269000)=-931000 | 540059+(-323261-892096)=-675298 |
| 619941+(371794-718735)=273000 | 308700+(-585525-601975)=-878800 |
| 917744+(-594414+483980)=807310 | 660000-(-470000+440000)=690000 |