| 400864+(15615+150860)=567339 | 789225+(37308+34423)=860956 |
| 540000+(452303-294123)=698180 | 657939-(534920-200000)=323019 |
| 871355-(233630+209927)=427798 | 336980+(120000+145898)=602878 |
| 482588+(399852-71998)=810442 | 478892+(75100+332653)=886645 |
| 180000-(910000-903656)=173656 | 359338+(76968+357854)=794160 |
| 910000-(665800+9690)=234510 | 613228-(329000+114228)=170000 |
| 856879-(717104-240679)=380454 | 261024+(820117-681141)=400000 |
| 780000-(577781-300000)=502219 | 428922-(100000+28922)=300000 |
| 257103+(698184-354524)=600763 | 48175+(758909-662800)=144284 |
| 669738+(87200+202979)=959917 | 738673+(218923-32211)=925385 |
| 472476-(26877+100000)=345599 | 858652-(142112-93460)=810000 |
| 942499-(82409+370090)=490000 | 452220-(652958-560738)=360000 |
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