@ @¶ìÿa@óÝy‹¾a@ u@ @QUP ( )2200 = 28 25 = (256 )25 ( )3100 = 34 25 = (81)25 450 = (16)25 5 < 16 < 81 < 256 525 < (16)25 < (81)25 < (256)25 525 < 450 < 3100 < 2200