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OG详解-OG1 数学2 Q19

正确答案:B
题目详解
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Choice B is correct. Since1212 = 1, multiplying the exponent of the given expression by1212 yields an equivalent expression:  Since   the expression a132144 can be rewritten as    Applying properties of exponents, this expression can be rewritten as  . An expression of the form where m >0  and k >0 , is equivalent to km  . Therefore,   is equivalent to144a132.

Choice A is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect and may result from conceptual or calculation errors.
Choice D is incorrect and may result from conceptual or calculation errors.
 
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