锟斤拷锟节帮拷锟疥级锟斤拷学锟教帮拷3篇
锟斤拷锟斤拷锟斤拷为一锟斤拷锟斤拷私锟斤拷锟阶碉拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟叫教帮拷锟斤拷写锟斤拷锟斤拷锟斤拷锟教帮拷锟斤拷锟斤拷锟斤拷顺锟斤拷锟斤拷锟斤拷效锟截匡拷展锟斤拷学锟筋动锟斤拷锟斤拷锟斤拷应锟斤拷锟斤拷么写锟教帮拷锟截ｏ拷锟斤拷锟斤拷锟斤拷小锟斤拷锟斤拷锟斤拷锟侥帮拷锟疥级锟斤拷学锟教帮拷3篇锟斤拷锟斤拷锟斤拷锟轿匡拷锟斤拷锟斤拷迎锟斤拷锟斤拷亩锟斤拷锟�
锟斤拷锟疥级锟斤拷学锟教帮拷 篇1
锟斤拷锟斤拷锟杰匡拷时锟斤拷7锟斤拷时 使锟斤拷锟剿ｏ拷
锟斤拷锟斤拷锟斤拷锟斤拷时锟戒：锟节帮拷锟斤拷 锟较匡拷时锟戒：锟斤拷十锟斤拷
锟斤拷锟斤拷锟斤拷4锟斤拷时锟斤拷5锟斤拷2平锟斤拷直锟斤拷锟斤拷锟斤拷系(2)
锟斤拷锟斤拷锟斤拷学目锟斤拷
锟斤拷锟斤拷知识锟诫技锟斤拷
锟斤拷锟斤拷1.锟节革拷锟斤拷锟斤拷直锟斤拷锟斤拷锟斤拷系锟铰ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿伙拷锟�;
锟斤拷锟斤拷2.通锟斤拷锟揭点、锟斤拷锟竭★拷锟桔察，确锟斤拷图锟轿的达拷锟斤拷锟斤拷状锟斤拷锟斤拷锟解，锟杰斤拷一锟斤拷锟斤拷锟斤拷平锟斤拷直锟斤拷锟斤拷锟斤拷系锟侥伙拷锟斤拷锟斤拷锟捷★拷
锟斤拷锟斤拷锟斤拷锟斤拷锟诫方锟斤拷
锟斤拷锟斤拷1.锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 系锟斤拷锟斤拷恪拷锟斤拷摺锟斤拷锟酵硷拷约锟斤拷傻锟斤拷锟斤拷锟斤拷锟饺癸拷锟教ｏ拷锟斤拷展学锟斤拷锟斤拷锟斤拷锟轿斤拷锟剿硷拷耄拷锟斤拷锟窖э拷锟斤拷暮锟斤拷锟� 锟斤拷锟斤拷锟斤拷锟斤拷;
锟斤拷锟斤拷2.通锟斤拷锟缴碉拷确锟斤拷锟斤拷锟疥到锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷转锟斤拷锟斤拷锟教ｏ拷锟斤拷一锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷转锟斤拷锟斤拷识锟斤拷
锟斤拷锟斤拷锟斤拷锟教拷锟斤拷锟斤拷值锟斤拷
锟斤拷锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷趣锟侥斤拷学锟筋动锟斤拷锟斤拷展学锟斤拷锟侥猴拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵丰富锟斤拷锟斤拷小锟教拷龋锟斤拷锟斤拷学锟斤拷学习锟斤拷学锟斤拷锟斤拷趣锟斤拷
锟斤拷锟斤拷锟斤拷学锟截点：锟斤拷锟斤拷知锟斤拷直锟斤拷锟斤拷锟斤拷系锟斤拷锟揭点、锟斤拷锟竭★拷锟桔察，确锟斤拷图锟轿的达拷锟斤拷锟斤拷状锟斤拷
锟斤拷锟斤拷锟斤拷学锟窖点：锟斤拷锟斤拷知锟斤拷直锟斤拷锟斤拷锟斤拷系锟斤拷锟揭点、锟斤拷锟竭★拷锟桔察，确锟斤拷图锟轿的达拷锟斤拷锟斤拷状锟斤拷
锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷 锟斤拷 锟斤拷锟斤拷锟斤拷锟叫碉拷锟介境锟斤拷锟斤拷锟斤拷锟铰匡拷(10锟斤拷锟接ｏ拷学锟斤拷锟皆硷拷锟斤拷图锟揭碉拷)
锟斤拷锟斤拷锟斤拷锟较节匡拷锟斤拷锟斤拷锟斤拷学习锟斤拷平锟斤拷直锟斤拷锟斤拷锟斤拷系锟侥讹拷锟藉，锟皆硷拷锟斤拷锟结、锟斤拷锟结、锟斤拷 锟斤拷锟斤拷锟斤拷锟�.锟斤拷锟藉，锟斤拷习锟斤拷锟斤拷平锟斤拷直锟斤拷锟斤拷锟斤拷系锟斤拷锟缴碉拷锟斤拷锟斤拷锟疥，锟斤拷探锟斤拷锟剿猴拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵拷牡锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷墓锟较碉拷锟斤拷锟斤拷锟斤拷锟斤拷系锟斤拷锟斤拷锟斤拷锟斤拷什么锟截点。
锟斤拷锟斤拷锟斤拷习锟斤拷指锟斤拷锟斤拷锟斤拷 锟斤拷锟斤拷锟皆硷拷锟斤拷锟斤拷锟斤拷锟睫伙拷锟斤拷锟斤拷锟结：
锟斤拷锟斤拷A(-1锟斤拷-2.5)锟斤拷B(3锟斤拷-4)锟斤拷C( 锟斤拷5)锟斤拷D(3锟斤拷6)锟斤拷E (-2.3锟斤拷0)锟斤拷F(0锟斤拷 )锟斤拷 G(0锟斤拷0) (锟斤拷取学锟斤拷锟斤拷锟斤拷)
锟斤拷锟斤拷锟缴碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷直锟斤拷锟斤拷锟斤拷 系锟叫碉拷位锟矫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷诜锟斤拷锟街斤拷隙锟接︼拷锟絰锟结、y锟斤拷锟较碉拷锟斤拷锟斤拷写锟斤拷锟斤拷锟斤拷锟斤拷锟疥，锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷锟疥，锟斤拷 锟斤拷锟斤拷直锟斤拷锟斤拷锟斤拷系锟斤拷锟揭点，锟斤拷锟斤拷锟揭碉拷锟斤拷?锟斤拷锟斤拷潜锟斤拷诳蔚锟斤拷锟斤拷荨锟�
锟斤拷锟斤拷锟节讹拷锟斤拷锟斤拷 锟斤拷锟斤拷锟斤拷锟桔ｏ拷探锟斤拷锟斤拷知.(15锟斤拷锟接ｏ拷小锟斤拷锟斤拷锟桔ｏ拷全锟洁交锟斤拷)
锟斤拷锟斤拷1.锟斤拷同学锟斤拷锟矫筹拷准锟斤拷锟矫的凤拷锟斤拷纸锟斤拷锟皆硷拷锟斤拷锟斤拷平锟斤拷直锟斤拷锟斤拷锟斤拷系锟斤拷然锟斤拷锟斤拷锟揭革拷锟斤拷锟斤拷锟斤拷锟疥，锟斤拷直锟斤拷锟斤拷锟斤拷系锟斤拷锟斤拷悖拷锟斤拷锟斤拷锟斤拷锟斤拷叨锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷(-9锟斤拷3)锟斤拷(-9锟斤拷0)锟斤拷(-3锟斤拷0)锟斤拷( -3锟斤拷3)
锟斤拷锟斤拷( 学锟斤拷锟斤拷锟斤拷锟斤拷虾锟�)
锟斤拷锟斤拷2.(锟斤拷示投影)锟斤拷锟斤拷锟斤拷锟斤拷锟狡斤拷锟街憋拷锟斤拷锟斤拷锟较碉拷校锟斤拷锟斤拷锟斤拷锟叫革拷锟斤拷锟节的碉拷锟斤拷锟竭讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷(1)(-6锟斤拷5)锟斤拷(-10锟斤拷3)锟斤拷(-9锟斤拷3)锟斤拷(-3锟斤拷3)锟斤拷(-2锟斤拷3)锟斤拷(-6锟斤拷5);
锟斤拷锟斤拷(2)(3.5锟斤拷9)锟斤拷(2锟斤拷7)锟斤拷(3锟斤拷7)锟斤拷(4锟斤拷7) 锟斤拷(5锟斤拷7)锟斤拷(3.5锟斤拷9);
锟斤拷锟斤拷(3)(3锟斤拷7)锟斤拷(1锟斤拷5)锟斤拷(2锟斤拷5)锟斤拷(5锟斤拷5)锟斤拷(6锟斤拷5)锟斤拷(4锟斤拷7);
锟斤拷锟斤拷(4)(2锟斤拷5)锟斤拷( 0锟斤拷3)锟斤拷(3锟斤拷3)锟斤拷(3锟斤拷0)锟斤拷(4锟斤拷0)锟斤拷(4锟斤拷3)锟斤拷(7锟斤拷3)锟斤拷(5锟斤拷5)锟斤拷
锟斤拷锟斤拷锟桔诧拷锟斤拷锟矫碉拷图锟轿ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞裁�?
锟斤拷锟斤拷锟街筹拷4锟斤拷小锟介，锟斤拷液锟斤拷锟斤拷诟詹沤锟斤拷锟斤拷锟狡斤拷锟街憋拷锟斤拷锟斤拷锟较碉拷锟�(选锟斤拷小锟斤拷锟斤拷锟斤拷玫锟�)锟斤拷锟斤拷锟斤拷锟斤拷锟剿分癸拷锟斤拷每锟剿伙拷一小锟解。锟斤拷锟侥革拷小锟斤拷锟斤拷锟斤拷锟斤拷锟�?
锟斤拷锟斤拷(锟斤拷示学锟斤拷锟斤拷锟斤拷品)锟斤拷锟斤拷锟斤拷 锟斤拷锟斤拷锟斤拷锟斤拷?锟斤拷锟酵硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷蔷锟斤拷锟斤拷锟斤拷锟绞裁�?
锟斤拷锟斤拷锟斤拷锟酵硷拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷员呋锟斤拷锟揭伙拷么锟斤拷锟斤拷锟�
锟斤拷锟斤拷3.锟斤拷一锟斤拷
锟斤拷锟斤拷(锟斤拷示投影)
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖斤拷锟斤拷锟斤拷直锟斤拷锟斤拷锟斤拷系锟斤拷锟斤拷要锟斤拷每位同学锟斤拷锟斤拷锟斤拷伞锟�
锟斤拷锟斤拷(学锟斤拷锟斤拷恪拷锟酵�)
锟斤拷锟斤拷(锟矫筹拷一位锟斤拷锟皆碉拷学锟斤拷锟斤拷锟斤拷品投影)
锟斤拷锟斤拷锟斤拷锟角观诧拷锟斤拷锟矫碉拷图锟轿猴拷锟斤拷锟角凤拷一锟斤拷?锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟叫断筹拷锟斤拷锟斤拷什么锟斤拷?
锟斤拷锟斤拷(锟斤拷猫锟斤拷)
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷 学锟斤拷锟斤拷锟斤拷.(10锟斤拷锟接ｏ拷锟饺讹拷锟斤拷锟斤拷桑锟斤拷锟叫★拷锟斤拷锟斤拷锟�)
锟斤拷锟斤拷(锟斤拷锟斤拷)1.锟斤拷直锟斤拷锟斤拷锟斤拷系锟斤拷锟斤拷锟斤拷锟斤拷懈锟斤拷悖拷锟斤拷锟斤拷锟斤拷锟斤拷诘牡锟斤拷锟斤拷叨锟剿筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷(1)(0锟斤拷3)锟斤拷(-4锟斤拷0)锟斤拷(0锟斤拷-3)锟斤拷(4锟斤拷0)锟斤拷(0锟斤拷3);
锟斤拷锟斤拷(2)(0锟斤拷0)锟斤拷(4锟斤拷-3)锟斤拷(8锟斤拷0)锟斤拷(4锟斤拷3)锟斤拷(0锟斤拷0);
锟斤拷锟斤拷(3)(2锟斤拷0)
锟斤拷锟斤拷锟桔诧拷锟斤拷锟矫碉拷图锟轿ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞裁�?(锟斤拷锟狡讹拷锟斤拷锟斤拷锟斤拷)
锟斤拷锟斤拷2.锟斤拷直锟斤拷锟斤拷锟斤拷系锟叫ｏ拷锟借法锟揭碉拷锟斤拷锟缴革拷锟斤拷使锟斤拷锟斤拷锟接革拷锟斤拷锟斤拷锟矫的凤拷锟酵硷拷锟斤拷锟斤拷锟斤拷锟酵硷拷锟绞撅拷锟绞拷帧锟�
锟斤拷锟斤拷锟饺讹拷锟斤拷锟斤拷桑锟饺伙拷锟叫★拷锟斤拷锟斤拷锟斤拷欠锟斤拷锟饺凤拷锟�
锟斤拷锟斤拷锟斤拷锟侥伙拷锟斤拷 锟斤拷锟斤拷锟斤拷锟秸伙拷(5锟斤拷锟接ｏ拷学锟斤拷锟杰结，全锟洁交锟斤拷)
锟斤拷锟斤拷锟斤拷锟节匡拷锟节革拷习锟较节课的伙拷锟斤拷锟较ｏ拷通锟斤拷锟揭点、锟斤拷 锟竭★拷锟桔察，确锟斤拷图锟轿的达拷锟斤拷锟斤拷状锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷平锟斤拷直锟斤拷锟斤拷锟斤拷系锟侥伙拷锟斤拷锟斤拷锟捷★拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较帮拷校锟斤拷锟斤拷腔锟斤拷锟斤拷瞬锟斤拷锟斤拷锟斤拷锟斤拷锟酵硷拷危锟斤拷约锟斤拷锟斤拷一些图锟轿ｏ拷锟斤拷锟斤拷图锟轿凤拷锟斤拷直锟斤拷锟斤拷锟斤拷系锟铰ｏ拷写锟斤拷锟斤拷锟斤拷锟斤拷辍�
锟斤拷锟斤拷锟斤拷锟藉环锟斤拷 锟斤拷锟斤拷锟斤拷业
锟斤拷锟斤拷习锟斤拷5锟斤拷4
锟斤拷锟斤拷A锟斤拷(锟脚碉拷锟斤拷)1锟斤拷2锟斤拷3
锟斤拷锟斤拷B锟斤拷(锟叫碉拷锟斤拷)1锟斤拷2
锟斤拷锟斤拷C锟斤拷(锟斤拷锟斤拷锟斤拷之一锟斤拷)1锟斤拷2
锟斤拷锟疥级锟斤拷学锟教帮拷 篇2
锟斤拷锟斤拷锟斤拷锟解：锟斤拷锟斤拷锟斤拷全锟饺碉拷锟叫讹拷(锟斤拷)
锟斤拷锟斤拷锟斤拷学目锟疥：
锟斤拷锟斤拷1锟斤拷知识目锟疥：
锟斤拷锟斤拷(1)锟斤拷锟斤拷锟斤拷知锟斤拷锟竭伙拷锟斤拷锟斤拷锟轿的凤拷锟斤拷;
锟斤拷锟斤拷(2)锟斤拷锟秸边边边癸拷锟斤拷锟斤拷锟斤拷锟矫边边边癸拷锟斤拷证锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷全锟斤拷;
锟斤拷锟斤拷(3)锟斤拷锟斤拷锟接斤拷锟斤拷锟皆的革拷锟斤拷锟斤拷.
锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷目锟疥：
锟斤拷锟斤拷(1)通锟斤拷锟竭癸拷锟斤拷图使学锟斤拷锟矫碉拷锟斤拷锟杰碉拷训锟斤拷;
锟斤拷锟斤拷(2)通锟斤拷锟斤拷锟斤拷锟侥筹拷锟斤拷应锟矫ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟竭硷拷锟斤拷锟斤拷锟斤拷锟斤拷.
锟斤拷锟斤拷3锟斤拷锟斤拷锟侥匡拷辏�
锟斤拷锟斤拷(1)锟节癸拷锟斤拷锟斤拷锟轿成癸拷锟斤拷锟斤拷锟斤拷透锟斤拷实锟介、锟桔察、锟斤拷锟斤拷;
锟斤拷锟斤拷(2)通锟斤拷锟斤拷式训锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷学习习锟斤拷.
锟斤拷锟斤拷锟斤拷学锟截点：SSS锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷应锟斤拷学锟斤拷锟侥革拷锟斤拷锟叫讹拷锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷锟斤拷全锟饺★拷
锟斤拷锟斤拷锟斤拷学锟窖点：锟斤拷胃锟斤拷锟斤拷锟侥匡拷锟斤拷锟斤拷锟斤拷锟街わ拷慕锟斤拷郏锟斤拷锟斤拷锟窖★拷锟斤拷锟斤拷锟斤拷卸锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷实锟斤拷姆锟斤拷锟斤拷卸锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺拷取锟�
锟斤拷锟斤拷锟斤拷学锟矫具ｏ拷直锟竭ｏ拷微锟斤拷
锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷学锟斤拷锟教ｏ拷
锟斤拷锟斤拷1锟斤拷锟铰匡拷锟斤拷锟斤拷
锟斤拷锟斤拷投影锟斤拷示
锟斤拷锟斤拷锟斤拷锟解：锟斤拷一锟斤拷锟斤拷锟斤拷锟轿诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟剿ｏ拷要去锟斤拷一锟斤拷锟铰的ｏ拷锟斤拷锟斤拷锟斤拷要锟皆达拷锟斤拷锟斤拷锟斤拷募锟斤拷锟斤拷锟斤拷锟�?锟斤拷锟斤拷锟斤拷锟酵访伙拷胁锟斤拷锟斤拷嵌鹊锟斤拷锟斤拷锟斤拷锟街伙拷谐锟斤拷樱锟斤拷锟斤拷鼙锟街わ拷锟斤拷锟侥诧拷锟斤拷恰锟矫诧拷锟斤拷小锟斤拷?
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖э拷锟斤拷锟斤拷酆锟截达拷锟斤拷锟角的答案伙拷锟斤拷只锟斤拷一锟街感撅拷锟斤拷锟斤拷锟角斤拷师要锟斤拷锟斤拷学锟斤拷锟斤拷抓住锟斤拷锟斤拷锟�.锟斤拷锟绞ｏ拷锟斤拷锟斤拷锟轿碉拷锟斤拷锟斤拷元锟截―锟紻锟斤拷锟斤拷锟竭★拷
锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟侥伙拷锟�
锟斤拷锟斤拷锟绞ｏ拷通锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟斤拷锟斤拷锟斤拷锟绞裁达拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺拷锟�?
锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟皆地革拷锟斤拷锟斤拷锟竭边边的癸拷锟斤拷锟斤拷然锟斤拷锟窖э拷锟揭伙拷锟酵硷拷锟绞碉拷椋拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺拷榷锟斤拷锟皆癸拷锟斤拷锟斤拷锟斤拷锟斤拷证锟斤拷(锟斤拷锟斤拷锟矫尺规画图锟斤拷)
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟竭讹拷应锟斤拷鹊锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺拷取锟�
锟斤拷锟斤拷应锟矫革拷式锟斤拷 (锟斤拷)
锟斤拷锟斤拷强锟斤拷说锟斤拷锟斤拷
锟斤拷锟斤拷(1)锟斤拷锟斤拷式要锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷证全锟斤拷;锟劫帮拷锟斤拷锟斤拷顺锟斤拷锟叫筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟脚帮拷锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷;写锟斤拷锟斤拷锟桔★拷
锟斤拷锟斤拷(2)锟斤拷锟斤拷应锟斤拷时锟斤拷锟斤拷锟斤拷寻锟斤拷锟斤拷知锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街ｏ拷一锟斤拷锟斤拷知锟叫革拷锟斤拷锟侥ｏ拷锟斤拷时图锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(锟界公锟斤拷锟斤拷)
锟斤拷锟斤拷(3)锟斤拷锟剿癸拷锟斤拷锟斤拷前锟斤拷学锟斤拷锟侥癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷系
锟斤拷锟斤拷(4)锟斤拷锟斤拷锟斤拷锟轿碉拷锟饺讹拷锟皆ｏ拷锟斤拷示锟斤拷锟斤拷锟轿碉拷锟饺讹拷锟斤拷锟斤拷锟侥憋拷锟轿的诧拷锟饺讹拷锟皆★拷锟斤拷锟斤拷示锟叫ｏ拷锟斤拷实锟斤拷锟斤拷去锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷蔚锟揭伙拷锟叫∧撅拷锟斤拷锟斤拷锟斤拷锟绞撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷杉锟斤拷伲锟斤拷锟揭参拷锟斤拷锟斤拷芙帷帮拷锟斤拷锟斤拷锟饺拷锟斤拷锟揭拷锟�3全锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷准锟斤拷锟斤拷锟斤拷锟斤拷锟剿癸拷通锟斤拷
锟斤拷锟斤拷(5)说锟斤拷AAA锟斤拷SSA锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷锟斤拷全锟饺★拷
锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷锟斤拷应锟斤拷
锟斤拷锟斤拷(1) 锟斤拷锟斤拷锟斤拷1锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷桑锟斤拷锟绞ψ拷锟斤拷锟缴猴拷牡锟斤拷锟斤拷锟�
锟斤拷锟斤拷锟斤拷1 锟斤拷图锟斤拷ABC锟斤拷一锟斤拷锟街架ｏ拷AB=ACAD锟斤拷锟斤拷锟接碉拷A锟斤拷BC锟叫碉拷D锟斤拷支锟斤拷
锟斤拷锟斤拷锟斤拷证锟斤拷AD锟斤拷BC
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(锟斤拷锟绞筹拷锟斤拷)
锟斤拷锟斤拷(1)要证AD锟斤拷BC只要证什么?
锟斤拷锟斤拷(2)要证锟斤拷1=
锟斤拷锟斤拷只要证什么?(3)要证锟斤拷1=锟斤拷2只要证什么?
锟斤拷锟斤拷(4)锟斤拷ABD锟酵★拷ACD全锟饺碉拷锟斤拷锟斤拷锟竭憋拷锟斤拷?锟斤拷锟斤拷锟斤拷什么?
锟斤拷锟斤拷证锟斤拷锟斤拷(锟斤拷)
锟斤拷锟疥级锟斤拷学锟教帮拷 篇3
锟斤拷锟斤拷知识锟结构锟斤拷
锟斤拷锟斤拷锟截碉拷锟斤拷锟窖碉拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟捷碉拷锟截碉拷锟角碉拷锟斤拷锟斤拷锟斤拷锟轿碉拷锟叫讹拷锟斤拷锟斤拷.锟斤拷锟斤拷锟斤拷锟斤拷证锟斤拷锟斤拷锟斤拷锟竭讹拷锟斤拷鹊锟斤拷锟揭拷锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷锟斤拷锟斤拷锟斤拷薪堑锟斤拷锟饺癸拷系转锟斤拷为锟竭碉拷锟斤拷裙锟较碉拷锟斤拷锟揭拷锟斤拷荩锟斤拷硕锟斤拷锟轿わ拷锟斤拷叨锟斤拷锟斤拷锟结供锟斤拷锟斤拷一锟街凤拷锟斤拷锟斤拷锟斤拷锟角憋拷锟节碉拷锟截碉拷.锟斤拷锟斤拷1锟斤拷2锟结供证锟斤拷锟饺憋拷锟斤拷锟斤拷锟轿的凤拷锟斤拷锟斤拷锟斤拷锟斤拷3锟斤拷直锟斤拷锟斤拷锟斤拷锟轿碉拷一锟斤拷锟斤拷要锟斤拷锟绞ｏ拷锟斤拷直锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭边和角的碉拷锟斤拷锟斤拷系锟斤拷锟斤拷锟矫碉拷锟斤拷锟斤拷锟斤拷.
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟捷碉拷锟窖碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷锟金。碉拷锟斤拷锟斤拷锟斤拷锟轿碉拷锟斤拷锟绞讹拷锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷锟角伙拷锟芥定锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷喾�.学锟斤拷锟斤拷应锟斤拷锟斤拷锟角碉拷时锟津，撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷识锟叫讹拷锟斤拷锟斤拷锟绞碉拷锟斤拷锟斤拷锟斤拷锟角憋拷锟节碉拷锟窖碉拷.锟斤拷锟解本锟节碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷也锟斤拷锟窖碉拷之一锟斤拷锟斤拷锟较节斤拷锟斤拷锟窖э拷锟斤拷锟斤拷锟斤拷战锟斤拷锟斤拷思路锟斤拷锟斤拷.锟斤拷锟斤拷知识锟斤拷锟斤拷锟斤拷樱锟斤拷锟侥匡拷母锟斤拷映潭锟揭诧拷锟竭ｏ拷一锟斤拷要学锟斤拷锟斤拷锟斤拷锟斤拷锟解定锟斤拷锟斤拷锟斤拷锟桔ｏ拷锟斤拷锟斤拷锟节斤拷锟斤拷时锟斤拷锟斤拷锟斤拷锟矫碉拷锟斤拷锟侥革拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�.
锟斤拷锟斤拷锟教凤拷锟斤拷锟斤拷:
锟斤拷锟斤拷锟斤拷锟节课斤拷学锟斤拷锟斤拷锟斤拷要锟角★拷锟斤拷学锟斤拷为锟斤拷锟斤拷锟�.锟斤拷锟斤拷探锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷学锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟街成斤拷锟桔★拷锟结倡锟斤拷师锟斤拷锟斤拷学锟斤拷锟斤拷锟桔斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷探锟斤拷锟斤拷学锟斤拷锟斤拷锟节癸拷锟缴★拷锟斤拷锟斤拷说锟斤拷锟斤拷锟铰ｏ拷
锟斤拷锟斤拷(1)锟斤拷锟斤拷探锟斤拷锟斤拷锟街ｏ拷锟斤拷锟斤拷知识锟轿成癸拷锟斤拷
锟斤拷锟斤拷学锟斤拷学习锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷突锟斤拷娑拷锟斤拷母锟斤拷睿拷锟斤拷锟斤拷锟斤拷锟斤拷锟解：锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞裁�?锟斤拷一锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟剿ｏ拷锟斤拷锟斤拷锟斤拷锟绞ｏ拷锟斤拷锟斤拷锟斤拷锟角凤拷为锟斤拷锟斤拷?锟斤拷同学锟斤拷证锟斤拷锟斤拷锟剿ｏ拷锟斤拷一锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷.锟斤拷锟斤拷锟揭伙拷锟窖э拷锟斤拷锟斤拷锟斤拷挚锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷荨锟斤拷锟斤拷锟斤拷锟斤拷锟饺伙拷偷玫锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷蔚锟斤拷卸锟斤拷锟斤拷锟�.锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟皆讹拷锟斤拷实锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟诫发锟街ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷识锟斤拷突锟斤拷使学锟斤拷锟剿凤拷思维锟斤拷探锟斤拷亩锟斤拷裕锟斤拷锟矫讹拷锟斤拷锟斤拷锟结，锟皆讹拷锟斤拷锟侥诧拷锟斤拷锟斤拷锟教ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷帷�
锟斤拷锟斤拷(2)锟斤拷锟矫★拷锟斤拷取锟斤拷锟窖帮拷锟斤拷锟斤拷锟斤拷锟饺≈讹拷锟�
锟斤拷锟斤拷锟斤拷锟斤拷锟绞讹拷锟斤拷锟斤拷学习锟斤拷锟斤拷锟角得碉拷锟剿硷拷锟斤拷锟斤拷锟桔ｏ拷锟斤拷然锟诫到锟斤拷锟斤拷锟捷碉拷锟斤拷锟斤拷锟斤拷锟轿碉拷锟叫讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟杰得碉拷锟斤拷些锟斤拷锟斤拷慕锟斤拷刍锟斤拷锟剿碉拷锟叫╋拷锟斤拷锟斤拷锟�?锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺伙拷锟斤拷夜锟酵拷锟斤拷锟斤拷锟斤拷郏锟斤拷锟揭恍╋拷屑锟街碉拷摹锟斤拷锟斤拷锟斤拷锟斤拷墙滩锟斤拷械锟斤拷锟斤拷郯锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟窖э拷锟斤拷岬斤拷牟锟斤拷锟斤拷锟斤拷锟斤拷锟绞︼拷锟斤拷锟斤拷锟斤拷实锟斤拷牡悴︼拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷(3)锟杰结，锟轿筹拷知识锟结构
锟斤拷锟斤拷为锟斤拷使学锟斤拷锟皆憋拷锟节匡拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷识锟斤拷锟斤拷锟节斤拷锟斤拷应锟矫ｏ拷锟斤拷师锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷猓拷锟窖э拷锟剿硷拷锟斤拷卮锟�(1)锟斤拷锟斤拷锟叫讹拷一锟斤拷锟斤拷锟斤拷锟斤拷锟角碉拷锟斤拷锟斤拷锟斤拷锟斤拷?锟斤拷锟斤拷些锟斤拷锟斤拷锟斤拷锟斤拷?(2)锟斤拷锟斤拷锟叫讹拷一锟斤拷锟斤拷锟斤拷锟斤拷锟角等憋拷锟斤拷锟斤拷锟斤拷?
锟斤拷锟斤拷一.锟斤拷学目锟疥：
锟斤拷锟斤拷1.使学锟斤拷锟斤拷锟秸碉拷锟斤拷锟斤拷锟斤拷锟轿碉拷锟叫讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷;
锟斤拷锟斤拷2.锟斤拷锟秸碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷;
锟斤拷锟斤拷3.通锟斤拷锟斤拷锟斤拷锟窖帮拷锟斤拷锟斤拷学锟斤拷锟斤拷锟竭硷拷思维锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�;
锟斤拷锟斤拷4.通锟斤拷锟斤拷锟斤拷学习锟侥凤拷展锟斤拷锟斤拷锟饺★拷锟窖е讹拷母锟斤拷锟�;
锟斤拷锟斤拷5.通锟斤拷知识锟斤拷锟捷猴拷迁锟狡革拷锟斤拷锟斤拷学锟侥憋拷证锟斤拷锟斤拷.
锟斤拷锟斤拷锟斤拷.锟斤拷学锟截点：锟斤拷锟斤拷锟斤拷锟斤拷锟轿碉拷锟叫讹拷锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷.锟斤拷学锟窖点：锟斤拷锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷.锟斤拷学锟矫具ｏ拷直锟竭ｏ拷微锟斤拷
锟斤拷锟斤拷锟斤拷.锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷为锟斤拷锟斤拷锟斤拷锟斤拷锟教斤拷锟斤拷锟�
锟斤拷锟斤拷锟斤拷.锟斤拷学锟斤拷锟教ｏ拷
锟斤拷锟斤拷1锟斤拷锟铰课憋拷锟斤拷知识锟斤拷习
锟斤拷锟斤拷(1)锟斤拷同学锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷突锟斤拷娑拷锟斤拷母锟斤拷锟�
锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟皆硷拷锟斤拷锟斤拷锟斤拷说锟斤拷锟斤拷锟斤拷锟斤拷锟截点复习锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷徒锟斤拷邸锟�
锟斤拷锟斤拷(2)锟斤拷锟斤拷锟斤拷锟斤拷锟轿碉拷锟斤拷锟绞讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷什么?锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角凤拷为锟斤拷锟斤拷锟斤拷?
锟斤拷锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟皆硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟桔ｏ拷锟斤拷师锟皆硷拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷娣讹拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷1.锟斤拷锟斤拷锟斤拷锟斤拷锟轿碉拷锟叫讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟饺ｏ拷锟斤拷么锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆的憋拷也锟斤拷锟�.
锟斤拷锟斤拷(锟斤拷啤锟斤拷冉嵌缘缺摺锟�).
锟斤拷锟斤拷锟斤拷学锟斤拷说锟斤拷锟斤拷知锟斤拷锟斤拷证锟斤拷使学锟斤拷锟斤拷一锟斤拷锟斤拷悉锟斤拷锟斤拷转锟斤拷为锟斤拷学锟斤拷锟皆的凤拷锟斤拷.
锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷图锟斤拷锟斤拷ABC锟叫ｏ拷锟斤拷B=锟斤拷C.
锟斤拷锟斤拷锟斤拷证锟斤拷AB=AC.
锟斤拷锟斤拷锟斤拷师锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷证锟叫癸拷锟竭讹拷锟斤拷鹊锟街吨拷锟斤拷锟斤拷锟斤拷韫癸拷锟斤拷锟紸B锟斤拷AC为锟斤拷应锟竭碉拷全锟斤拷锟斤拷锟斤拷锟斤拷.锟斤拷为锟斤拷知锟斤拷B=锟斤拷C锟斤拷没锟叫讹拷应锟斤拷缺撸锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿拷锟斤拷锟斤拷锟斤拷锟斤拷蔚墓锟斤拷锟斤拷撸锟斤拷锟剿革拷锟斤拷锟斤拷应锟斤拷A锟斤拷锟斤拷锟斤拷.锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷谐锟斤拷锟斤拷母锟斤拷锟斤拷撸锟窖э拷锟斤拷锟斤拷页锟斤拷锟斤拷锟紹AC锟斤拷平锟斤拷锟斤拷AD锟斤拷锟斤拷BC锟斤拷锟较的革拷AD锟斤拷证锟斤拷锟斤拷锟斤拷全锟饺的诧拷同锟斤拷锟斤拷锟斤拷锟接讹拷锟狡筹拷AB=AC.
锟斤拷锟斤拷注锟解：(1)要弄锟斤拷锟叫讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟酵斤拷锟桔ｏ拷锟斤拷要锟斤拷锟斤拷锟绞讹拷锟斤拷锟斤拷锟斤拷.
锟斤拷锟斤拷(2)锟斤拷锟斤拷说锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟阶斤拷锟斤拷龋锟斤拷锟矫达拷锟斤拷锟斤拷锟斤拷锟饺★拷锟斤拷锟斤拷为锟斤拷未锟叫讹拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷.
锟斤拷锟斤拷(3)锟叫讹拷锟斤拷锟斤拷锟矫碉拷锟侥斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角碉拷锟斤拷锟斤拷锟斤拷锟轿ｏ拷锟斤拷锟绞讹拷锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷锟斤拷锟角碉拷锟斤拷锟斤拷锟斤拷锟轿ｏ拷锟矫碉拷锟竭边和角角癸拷系.
锟斤拷锟斤拷2.锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟角讹拷锟斤拷鹊锟斤拷锟斤拷锟斤拷锟斤拷堑缺锟斤拷锟斤拷锟斤拷锟�.
锟斤拷锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷一锟斤拷锟角碉拷锟斤拷60锟斤拷牡锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷堑缺锟斤拷锟斤拷锟斤拷锟�.
锟斤拷锟斤拷要锟斤拷学锟斤拷锟皆硷拷锟斤拷证锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷.
锟斤拷锟斤拷小锟结：证锟斤拷锟斤拷锟斤拷锟斤拷锟角碉拷锟斤拷锟斤拷锟斤拷锟轿的凤拷锟斤拷锟斤拷锟劫碉拷锟斤拷锟斤拷锟斤拷锟轿讹拷锟斤拷;锟节碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷.
锟斤拷锟斤拷证锟斤拷锟斤拷锟斤拷锟斤拷锟角等憋拷锟斤拷锟斤拷锟轿的凤拷锟斤拷锟斤拷锟劫等憋拷锟斤拷锟斤拷锟轿讹拷锟斤拷;锟斤拷锟斤拷锟斤拷1;锟斤拷锟斤拷锟斤拷2.
锟斤拷锟斤拷3.应锟矫撅拷锟斤拷
锟斤拷锟斤拷锟斤拷1.锟斤拷证锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟角碉拷平锟斤拷锟斤拷平锟斤拷锟斤拷锟斤拷锟斤拷锟轿碉拷一锟竭ｏ拷锟斤拷么锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷堑锟斤拷锟斤拷锟斤拷锟斤拷锟�.
锟斤拷锟斤拷锟斤拷锟斤拷:锟斤拷学锟斤拷锟斤拷图锟斤拷写锟斤拷锟斤拷知锟斤拷证锟斤拷锟斤拷锟斤拷学锟斤拷锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷锟斤拷锟绞憋拷锟斤拷锟斤拷锟斤拷锟斤拷锟接︼拷锟斤拷锟角碉拷锟斤拷锟斤拷锟斤拷锟皆拷锟斤拷锟斤拷锟斤拷锟节碉拷锟节角伙拷锟斤拷;锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节碉拷锟斤拷锟斤拷锟节角的猴拷.要证AB=AC锟斤拷锟斤拷锟斤拷证锟斤拷锟斤拷B=锟斤拷C锟斤拷锟斤拷为锟斤拷知锟斤拷1=锟斤拷2锟斤拷锟斤拷锟皆匡拷锟斤拷锟借法锟揭筹拷锟斤拷B锟斤拷锟斤拷C锟斤拷锟�1锟斤拷锟斤拷2锟侥癸拷系.
锟斤拷锟斤拷锟斤拷知锟斤拷锟斤拷CAE锟角★拷ABC锟斤拷锟斤拷牵锟斤拷锟�1=锟斤拷2锟斤拷AD锟斤拷BC.
锟斤拷锟斤拷锟斤拷证锟斤拷AB=AC.
锟斤拷锟斤拷证锟斤拷锟斤拷(锟斤拷)锟斤拷学锟斤拷锟斤拷锟捷硷拷锟斤拷.
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解：(投影展示)
锟斤拷锟斤拷1.锟斤拷知锟斤拷锟斤拷图锟斤拷AB=AD锟斤拷锟斤拷B=锟斤拷D.
锟斤拷锟斤拷锟斤拷证锟斤拷CB=CD.
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟绞币伙拷锟斤拷呓锟阶拷锟斤拷锟斤拷冢锟揭B=CD锟斤拷锟借构锟斤拷一锟斤拷锟斤拷 CB锟斤拷CD为锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟轿ｏ拷锟斤拷锟斤拷BD锟斤拷锟斤拷证锟斤拷CBD=锟斤拷CDB锟斤拷锟斤拷锟斤拷知锟斤拷B=锟斤拷D锟斤拷锟斤拷AB=AD锟斤拷证锟斤拷ABD=锟斤拷ADB锟斤拷锟接讹拷证锟矫★拷CDB=锟斤拷CBD锟斤拷锟狡筹拷CB=CD.
锟斤拷锟斤拷证锟斤拷锟斤拷锟斤拷锟斤拷BD锟斤拷锟斤拷 锟叫ｏ拷 (锟斤拷知)
锟斤拷锟斤拷(锟饺边对等斤拷)
锟斤拷锟斤拷(锟斤拷知)
锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷(锟饺教对等憋拷)
锟斤拷锟斤拷小锟结：锟斤拷锟竭讹拷锟斤拷锟揭伙拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟解，锟斤拷锟斤拷锟绞碉拷锟侥革拷锟斤拷锟竭癸拷锟斤拷锟斤拷锟斤拷锟轿ｏ拷锟揭筹拷锟竭角癸拷系.
锟斤拷锟斤拷2.锟斤拷知锟斤拷锟斤拷 锟叫ｏ拷 锟斤拷平锟斤拷锟斤拷锟斤拷 锟斤拷锟斤拷锟狡斤拷锟斤拷呓锟斤拷锟紻锟斤拷锟斤拷D锟斤拷DE//BC锟斤拷AC锟斤拷F锟斤拷锟斤拷AB锟斤拷E锟斤拷锟斤拷证锟斤拷EF=BE-CF.
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟竭段硷拷锟较碉拷锟斤拷锟斤拷锟阶拷锟轿拷锟斤拷锟斤拷锟较碉拷锟斤拷锟斤拷诒锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟狡斤拷锟斤拷吆锟狡斤拷锟斤拷撸锟斤拷锟斤拷锟酵拷锟斤拷锟斤拷冶叩墓锟较碉拷锟紹E=DE,DF=CF锟斤拷锟斤拷证锟斤拷锟斤拷锟斤拷.
锟斤拷锟斤拷证锟斤拷锟斤拷 DE//BC(锟斤拷知)
锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷BE=DE,同锟斤拷DF=CF.
锟斤拷锟斤拷EF=DE-DF
锟斤拷锟斤拷EF=BE-CF
锟斤拷锟斤拷小锟结：
锟斤拷锟斤拷(1)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫讹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷.
锟斤拷锟斤拷(2)锟斤拷锟斤拷锟斤拷锟斤拷锟轿和等憋拷锟斤拷锟斤拷锟轿碉拷证锟斤拷.
锟斤拷锟斤拷锟斤拷.锟斤拷习
锟斤拷锟斤拷锟教诧拷 P.75锟斤拷1锟斤拷2锟斤拷3.
锟斤拷锟斤拷锟斤拷.锟斤拷业
锟斤拷锟斤拷锟教诧拷 P.83 锟斤拷 1.1)锟斤拷2)锟斤拷3);2锟斤拷3锟斤拷4锟斤拷5.
锟斤拷锟斤拷锟斤拷.锟斤拷锟斤拷锟斤拷锟�
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