如图,点C在线段AB上,AC = 8 cm,CB = 6 cm,点M、N分别是AC、BC的中点.⑵若C为线段AB上任一点,满足AC + CB = a cm,其它条件不变,你能猜想MN的长度吗?并说明理由.⑶若C在线段AB的延长线上,且满足AC BC = b cm,

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/08 12:49:45
xS_oP*dĆ^3P_`zo@e1mpHq3۠k.vO \&3ι߿&KH0B<3¤P*$HQ2PAkS* ӴVnV(ޛǎ ѯGcێY1;~jJhgm8v1שd҉.LMًSjiMznsëWg`ca=c6.y3+&A}Ę%}ae 2'Z} g?; B]Sq0}ؠƦ PLST8> }8T#pn~teI4/ryA \^SKDhSdr~f6ʼnA*B1G4M4lLbVV51"K(d,6.DӑdNe=+;%!hh1&ZO(#HH@\li2k\DeQG0˝j Ǫe8<m o<[CG|#~3#*}^~gO$rI&