亲爱的网友:B= m=3y=cosx=sin(x 丌/2)
亲爱的网友:B= m=3y=cosx=sin(x 丌/2)
4〔x-2〕⒉-1=8f{x}=lg{2x -3}
4〔x-2〕⒉-1=8f{x}=lg{2x -3}
数学人气:790 ℃时间:2020-05-14 22:09:06
优质解答
AD=AB BD=AB BC/2AD BE CF=(AB BC CA) (BC/2 CA/2 AB/2)比方n2 2n-n2 2n=150比方AD=AB BD=AB BC/2
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