什么是椭圆?椭圆有什么性质?为什么?
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/31 10:10:32
xWNI~3K#r.s!H$(([x!l6!HWU)0_8iFJ߿v7xΊ'
WVmZ4:3?uG#Gۦ.))/
k%eY,s 𗮡tkmy em3A fd] mKpY=:śDh;Gckw!$, NTXj[i;7^
EZ, ^S?P ~*Z$|Jqw*fڻ) a<4!쐯8 >^+=K)QybQB#0 u$D:ȮJ3.!t!Ilz'H14͞;݁L$dlܚNHsrIZE'Ll3 iU%TE
E
!t7O'kF JSLDK%DvxTeTy[Nj0\&UR~BE^?܍4#W,rC};C2`T
B:r:;YC6;I؝g(9 ee=YH!ψYPS*ptAcǟK۪@ǡf'll?g[ Ie`RCew 90{N=dO@exw.50x@O]L!gV^FtJM9>/^Q
Jv;v嘸Cu5ݢ䙌3hVtam-K=&x> _>z] f&ř ^$ Gru@p@""nV1UOTLꑡ#<8 =\ J{; 3@:uPm # 'jx!oO:ӏqdj$ŀVŤ+gKYHdm $
k;Z1j9^\[~ uY1XLMHBEnH꜎FH:nQy"N%jM0b&WzuIQyUCW?w4;/,
Ҝݬ6-%@q9'$!
3H"K-5W/߬is o0XlڣSb ?|cT4!:brBɵijy@ ^',)͢X"=V,gl >Lqͻ9ōcx S2I -*TE4XS!ܴ]a]PNjՕǜ-_rY lӠʍQD'* +Rܫ_9NB0 @q t3ض; DuY%H D8EH[rT)G ݘ6mIpOq0{6F b7S^ns+ #,
!Ր6t[*?'7촧p "8c*jTRL=05rK/[@C