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- ${{^{(}{x}{ }{+}{ }{4}{)}}}{3}$
- ${{^{(}{x}{ }{-}{ }{4}{)}}}{3}{ }$
- ${{^{(}{x}{ }{-}{ }{8}{)}}}{3}$
- ${{^{(}{x}{ }{+}{ }{8}{)}}}{3}{ }$