\"\"

\

The expression is \"\".

\

The value are \"\", \"\", \"\" and \"\".

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\"\"     (Substitute \"\", \"\" and \"\")

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                \"\"                 (Multiply)

\

                \"\"                         (Substitute: \"\")

\

                \"\"                        (Rewrite the mixed fraction)

\

Therefore, the value of expression is \"\".

\

\"\"

\

The value of expression is \"\".