| 534808-(691991-661739)=504556 | 891533-(52277+552034)=287222 |
| 851911-(25813+246098)=580000 | 239727+(264829+184593)=689149 |
| 390000+(568251-345500)=612751 | 501041+(786649-690000)=597690 |
| 768791-(233914+188061)=346816 | 765937-(985875-434801)=214863 |
| 487682+(809178-741909)=554951 | 846114-(185623+178000)=482491 |
| 894711-(54887+49824)=790000 | 300000+(902913-209889)=993024 |
| 875733-(411867-135320)=599186 | 150666+(427908+207239)=785813 |
| 661511-(478093+110900)=72518 | 641657+(805687-447344)=1000000 |
| 113508-(103797-30793)=40504 | 121155+(140000+433754)=694909 |
| 277714+(72818+514959)=865491 | 472299-(870546-868247)=470000 |
| 44501+(317821+86880)=449202 | 130000-(625300-591046)=95746 |
| 750300+(90664+89036)=930000 | 302985+(489913-132285)=660613 |
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