| 978410+(330616-840000)=469026 | 715666-(691609-257902)=281959 |
| -61554-(-538695+967141)=-490000 | 480644+(-731530-430235)=-681121 |
| 700000-(-141358+241358)=600000 | -151856+(-485554+660000)=22590 |
| 304593-(-23700-636959)=965252 | -360000+(-208084+728084)=160000 |
| 741880-(-44032+563287)=222625 | 145263-(-726414-16808)=888485 |
| -118575-(406612+113409)=-638596 | 990000+(-910000+284486)=364486 |
| -84608+(-538450-156965)=-780023 | -223030-(146146-869176)=500000 |
| -279787-(347167+47537)=-674491 | -348015+(994066-168327)=477724 |
| -926502-(-51423-240000)=-635079 | 506594-(770000-58722)=-204684 |
| -75835+(-190000-542459)=-808294 | -962350-(690000-920085)=-732265 |
| -240000+(36977-697209)=-900232 | 650000-(803579+470000)=-623579 |
| -48200-(0-136000)=87800 | 162151+(276424-638575)=-200000 |
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