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The results are that the mixed-morphology supernova remnant Sgr A East has a recombining plasma (RP) with Cr and Mn He$\\alpha$ lines, and a power-law component (PL) with an Fe I K$\\alpha$ line. The nearby GCXE has a $\\sim$1.5-times larger surface brightness than the mean GCXE far from Sgr A East, although the spectral shape is almost identical. 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