①在△ABC和△DEF中,AB/DE=BC/EF=AC/DF=4,求△DEF的周长之比 ②m :n=1/7:1/6,n:t=1/4:1/3,则m:n:t=?①在△ABC和△DEF中,AB/DE=BC/EF=AC/DF=4,求△DEF的周长之比②m :n=1/7:1/6,n:t=1/4:1/3,则m:n:t=?
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/27 13:12:55
x){4q9+MtRdZG'}W['g}W7[Gg}7[g
jy:q˩~~£sl
ͭtJl Xi\+=U"*"}zBM"R;8DɎ>at';va=lx{=͙ɞ=z=_dWDgx~g )Qp)jrm55!SUbaoUs &