Ê×Ò³ > ÊÔ¾í > ½Ì²Äͬ²½ > ¸ßÈýÊÔ¾í

[̫ԭһģ]ɽÎ÷Ê¡Ì«Ô­ÊÐ2022Äê¸ßÈýÄ꼶ģÄ⿼ÊÔ(Ò»)1Àí¿ÆÊýѧ´ð°¸

[̫ԭһģ]ɽÎ÷Ê¡Ì«Ô­ÊÐ2022Äê¸ßÈýÄ꼶ģÄ⿼ÊÔ(Ò»)1Àí¿ÆÊýѧ´ð°¸£¬ÏÂÃæÊÇ[̫ԭһģ]ɽÎ÷Ê¡Ì«Ô­ÊÐ2022Äê¸ßÈýÄ꼶ģÄ⿼ÊÔ(Ò»)1Àí¿ÆÊýѧ´ð°¸²¿·ÖʾÀý£¬ÑéÖ¤ÈçÏÂ:

[̫ԭһģ]ɽÎ÷Ê¡Ì«Ô­ÊÐ2022Äê¸ßÈýÄ꼶ģÄ⿼ÊÔ(Ò»)1Àí¿ÆÊýѧ´ð°¸


(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

[!--temp.pl--]