[Ì«Ôһģ]ɽÎ÷Ê¡Ì«ÔÊÐ2022Äê¸ßÈýÄ꼶ģÄ⿼ÊÔ(Ò»)1Àí¿ÆÊýѧ´ð°¸
[Ì«Ôһģ]ɽÎ÷Ê¡Ì«ÔÊÐ2022Äê¸ßÈýÄ꼶ģÄ⿼ÊÔ(Ò»)1Àí¿ÆÊýѧ´ð°¸£¬ÏÂÃæÊÇ[Ì«Ôһģ]ɽÎ÷Ê¡Ì«ÔÊÐ2022Äê¸ßÈýÄ꼶ģÄ⿼ÊÔ(Ò»)1Àí¿ÆÊýѧ´ð°¸²¿·ÖʾÀý£¬ÑéÖ¤ÈçÏÂ:
(1)ÒòΪAB//ƽÃæPCD,ABCƽÃæOPD,ƽÃæOPDƽÃæPCD=PD,ËùÒÔAB//PD
ÓÖ¡ÏAOD=¦Ð/6£¬ËùÒÔ¡ÏPOD=2¦Ð/3
ÓÖOD=OP=1,ËùÒÔPD=¡Ì3.
°æȨÉùÃ÷
±¾ÎĽö´ú±í×÷Õ߹۵㣬²»´ú±í±¾Õ¾Á¢³¡¡£
±¾ÎÄϵ×÷ÕßÊÚȨ·¢±í£¬Î´¾Ðí¿É£¬²»µÃתÔØ¡£
±¾ÎĵØÖ·£º/shijuan/jctb/gs/128937.html