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( 11^2011x4^1005):[(22^2)^5]^201:
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Needhelp112

(11^2011 × 4^1005) : [(22^2)^5]^201 = [11^2011 × (2^2)^1005] : {[(2×11)^2]^5}^201 = (11^2011 × 2^2010) : [(2^2 × 11^2)^5]^201 = (11^2011 × 2^2010) : (2^10 × 11^10)^201 = (11^2011 × 2^2010) : (2^2010 × 11^2010) = 11

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