能否用理论证明平行四边形定则

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/04 17:32:45
xWMSG;PY1I.)*[ʩ!\98U%@Z@$>J_ZQA>u3o}DŶ,b3m{FUol ?~'_ZY;hq.([̆ct*ŮEMH')+j5컃8kȊ)9w8L(ݗ wˑR[凌sN?X|ӭ3wd|LdL !_ `AH,蕼:rh~(eQ 9 i+OMp:5u2yB-Hg| +tpztkR"/NkJ&4%Nޫ.ʷ9ߡ:k ,C\NCK;՟2d{=ΧS -Zr{퀇EY&)yCxż!rkvЏ5 aM QYĕ9LA>+˜nûI E<)A[.{LdOsiqHRnvkW;LZ7&߬xFB(MDŹqy(Z5N96XR]r-Q|f>(3UwG;()@.R,pkrzF b)w_e(IQ /ӡf22&eǎC!k\ʆ̜aQuN׼y7L?r!\+#һj 2\qM^bPu"w[J\1:ԗ52ҁ`o\i+7-_ Sf,Lz n_Qm Omv,`xy0("XXR Y `h2 *1Qua! ^#)[gY@% uf]wgDg&^ Y=fenR: %aQv3DRy38hК o]Qܤӵpɸ%~ϖXhLg!;=VC0V`G}n_,?-E ˪NqTaz0q9jiaHld!Vh肽4RyzTW~},zlR╏pdQ-뛿/"7{\\kzw["'_"w&u4[0%aIޑ0w4cKF54!TKY:@]umP@X >pFm#c܏6 9xhTN FU9 V:} (Mdbn TFBqp{ ʞΟH/=;G%KƦ,JS\KG"u:)ɣsV^m4^i`O=f4lk 0ѕ`$a0