| 371944+(268538-101469)=539013 | 821768-(742824-556000)=634944 |
| 123625+(87515+500000)=711140 | 483194+(446720-384914)=545000 |
| 135116+(663957+65588)=864661 | 974574-(931607-904865)=947832 |
| 508202-(377891+53558)=76753 | 716541-(793414-329123)=252250 |
| 184200+(743889-174406)=753683 | 879970-(97032+503571)=279367 |
| 546800-(986644-439844)=0 | 677716+(63483+73485)=814684 |
| 940000-(166660+549270)=224070 | 750466-(398813-175443)=527096 |
| 121060+(600000-361060)=360000 | 69685+(408801+185743)=664229 |
| 841702-(770094-70364)=141972 | 950725-(387643+200000)=363082 |
| 100000+(137593+362407)=600000 | 738673+(218923-32211)=925385 |
| 584399-(224007+94000)=266392 | 710000-(2806+700000)=7194 |
| 500000+(862591-372591)=990000 | 546900+(241275+59706)=847881 |
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