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0.25²;-8的⅔;次方-(1/16)的0.75次方-2log5的10次方-log5的0.25次方 =1/16-4-1/8-log5 10^2-log5 0.25 =-4-1/16-log5 100*0.25 =-4-1/16-2 =-97/16
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