InterviewSolution
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                                    ( ( \frac { 7 } { 5 } ) ^ { 5 } \div ( \frac { 7 } { 5 } ) ^ { 4 } ] \times ( \frac { 7 } { 5 } ) ^ { 2 } | 
                            
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Answer»  [(7/5)^5÷(7/5)^4]×(7/5)²= 7/5*(7/5)²= (7/5)³= 343/125  | 
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