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[tex]1) 3^{2-log _{3}5 } + (\frac{1}{3} ) ^{log _{3}5 }
2) 9 ^{3-log _{3}54 } +7 ^{-log _{7} 4} [/tex]
[tex]1) 3^{2-log _{3}5 } + (\frac{1}{3} ) ^{log _{3}5 }
2) 9 ^{3-log _{3}54 } +7 ^{-log _{7} 4} [/tex]
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