If it looks like this it doesn't work.
<ns0:Relationships xmlns:ns0="http://schemas.openxmlformats.org/package/2006/relationships">
<ns0:Relationship Id="rId1" Target="worksheets/sheet1.xml" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet" />
<ns0:Relationship Id="rId6" Target="sharedStrings.xml" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings" />
<ns0:Relationship Id="rId7" Target="styles.xml" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles" />
</ns0:Relationships>
If it looks like this it doesn't work.