[(4^-x)+1]/[(4^x)+1] 算出来!谢了大神
[(4^-x)+1]/[(4^x)+1] 算出来!谢了大神
数学人气:985 ℃时间:2020-09-20 21:18:50
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[(1/4^x)+1]/[4^x+1]=(1+4^x)/[(4^x+1)4^x]=1/4^x=4^-x谢了啊
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