| 839669-(168429-312461)=983701 | -297526-(112901+568775)=-979202 |
| -369839-(-171437-878402)=680000 | 220909+(-101419-599490)=-480000 |
| 332916-(-241632-391102)=965650 | 830371+(-390274-646043)=-205946 |
| 688143+(-402315+323172)=609000 | 474544+(-740103+634662)=369103 |
| -248602+(-436593-133682)=-818877 | -272525-(850352-568049)=-554828 |
| -81780-(190000+620893)=-892673 | -626506+(-369317+243935)=-751888 |
| -970000+(-468056+588056)=-850000 | 100000+(75910-300000)=-124090 |
| -294901-(-100000+490000)=-684901 | 276200-(-252647-140978)=669825 |
| 826535-(-242442+721981)=346996 | 320772-(224535-383763)=480000 |
| -490344-(-50000-516472)=76128 | -816474-(-852777-347269)=383572 |
| 289032+(109263-494421)=-96126 | -261584+(400000-491150)=-352734 |
| 879929-(647683+853554)=-621308 | 330591-(339334+766896)=-775639 |
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