锟斤拷锟斤拷1锟斤拷影響革拷一锟絎锟斤拷锟斤拷(sh锟斤拷)锟絎锟絎锟斤拷锟较礙锟斤拷锟斤拷要原锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷(j锟斤拷)锟紽(xi锟斤拷n)锟节筹拷锟叫學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叫教學锟紽(xi锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷規(gu锟斤拷)模锟侥擴锟斤拷锟饺ｏ拷锟揭傦拷锟斤拷锟絁锟斤拷影響革拷一锟斤拷(sh锟斤拷)锟絎锟絎锟斤拷锟较礙锟斤拷锟斤拷要锟斤拷锟斤拷锟叫ｏ拷锟斤拷锟紸知锟絉锟斤拷锟斤拷锟斤拷锟斤拷锟絎锟斤拷锟斤拷锟絋锟酵凤拷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蕚洳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斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟截的干擾影锟�锟斤拷锟斤拷锟斤拷锟斤拷锟叫教學锟斤拷锟捷★拷要锟斤拷徒虒W锟斤拷锟斤拷锟侥忥拷锟揭凤拷锟斤拷锟斤拷锟斤拷一锟斤拷(sh锟斤拷)锟絎锟教庯拷锟侥教學水平锟斤拷锟筋不锟絉锟饺ｏ拷

锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷锟紸知锟絉锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟叫教學同锟斤拷锟斤拷锟斤拷锟絎锟斤拷锟斤拷锟斤拷影锟�锟斤拷锟斤拷锟剿擠锟斤拷锟斤拷锟斤拷臅r锟絞锟斤拷锟斤拷迎锟斤拷锟斤拷锟紻锟斤拷锟斤拷锟絥锟絎锟斤拷锟絩锟絞锟斤拷锟絟锟絧未锟斤拷锟诫考試锟侥冿拷锟捷伙拷锟斤拷锟絁锟介考試锟斤拷锟斤拷要锟侥冿拷锟斤拷锟斤拷锟斤拷蓪W锟斤拷知锟絉锟結锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紸知锟絉锟斤拷锟秸诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷袑锟斤拷锟斤拷锟�(sh锟斤拷)锟斤拷平锟斤拷缀蔚葍锟斤拷莸锟斤拷锟斤拷n锟絎锟斤拷锟絩锟絞锟斤拷锟斤拷锟斤拷锟絎锟斤拷锟叫碉拷锟斤拷锟統锟斤拷锟斤拷锟斤拷锟紷锟接碉拷锟接帮拷W锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟絯锟阶何等冿拷锟捷的學锟斤拷锟酵感碉拷锟街戯拷锟斤拷锟絔锟叫學锟酵產(ch锟斤拷n)锟斤拷锟斤拷畏锟統锟斤拷w锟斤拷

锟斤拷锟斤拷锟斤拷2锟斤拷锟絎锟斤拷锟斤拷锟絋锟酵凤拷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叫教學锟斤拷太锟絇注锟斤拷锟絎锟斤拷锟絎锟斤拷锟斤拷锟絋锟酵凤拷锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷視锟斤拷锟斤拷(sh锟斤拷)锟絎思锟诫方锟斤拷锟斤拷锟斤拷锟紹(y锟斤拷ng)锟酵滲透锟斤拷锟紽(xi锟斤拷n)锟节學锟斤拷锟斤拷锟絁知水平锟角匡拷锟皆斤拷锟杰的ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷通锟絕锟斤拷锟斤拷锟侥撅拷锟斤拷模锟铰侊拷锟斤拷锟秸斤拷锟絵锟斤拷锟斤拷锟斤拷锟界對锟斤拷锟叫讹拷锟轿猴拷锟斤拷(sh锟斤拷)锟侥學锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷蕚洳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斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟截的干擾影锟�

锟斤拷锟斤拷锟斤拷锟叫學锟斤拷通锟絕锟斤拷锟絎锟斤拷試锟斤拷锟斤拷锟斤拷袑W锟斤拷锟斤拷锟截別锟角匡拷锟斤拷锟斤拷锟絚锟叫學锟絎锟斤拷锟斤拷锟斤拷锟斤拷锟角庯拷锟斤拷锟斤拷锟斤拷锟斤拷喜锟斤拷锟斤拷锟組锟窖猴拷锟介、锟斤拷M希锟斤拷锟組锟斤拷锟斤拷袑W锟斤拷锟斤拷希锟斤拷锟节革拷锟叫旓拷(sh锟斤拷)锟絎锟絎锟斤拷锟叫达拷锟紷锟斤拷锟斤拷锟斤拷锟杰夛拷取锟斤拷锟斤拷锟斤拷锌锟皆囷拷械母叻殖煽锟�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筹拷锟叫碉拷“锟斤拷(y锟斤拷u)锟斤拷”锟斤拷锟絩锟斤拷锟矫碉拷锟较庯拷锟絇锟桔和稱贊锟斤拷锟斤拷锟斤拷锟絩锟斤拷锟斤拷贊锟絇聲锟叫筹拷锟絃锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟较撅拷锟斤拷锟皆猴拷锟叫和冿拷(y锟斤拷u)越锟叫ｏ拷锟組锟斤拷锟斤拷校锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷c锟叫學锟斤拷锟斤拷锟轿硷拷W锟斤拷锟斤拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟絎锟缴匡拷锟斤拷锟斤拷占锟叫絕

锟斤拷锟斤拷锟斤拷锟斤拷(y锟斤拷u)锟斤拷锟斤拷還锟斤拷锟絉锟斤拷锟斤拷锟揭的革拷锟斤拷锟斤拷锟斤拷(y锟斤拷u)越锟叫猴拷锟皆猴拷锟叫得诧拷锟斤拷锟较庯拷锟斤拷锟絩锟侥猴拷锟給锟斤拷锟侥讹拷锟斤拷锟斤拷锟侥嗭拷失锟斤拷锟皆憋拷锟斤拷锟斤拷锟斤拷锟斤拷還锟斤拷一锟斤拷锟街學锟斤拷片锟斤拷锟絁锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷(j锟斤拷ng)锟絕一锟疥（锟斤拷锟斤拷锟阶傦拷锟铰碉拷努锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷愿锟皆嘗锟斤拷锟組锟斤拷锟斤拷泻锟斤拷锟斤拷锟剿ｏ拷锟斤拷锟斤拷锟斤拷努锟斤拷锟斤拷锟斤拷W锟斤拷锟斤拷锟斤拷锟叫學锟斤拷锟斤拷锟統锟饺沒锟叫筹拷值锟斤拷锟斤拷锟绞備，锟斤拷之锟斤拷突然一锟斤拷锟斤拷锟斤拷锟統锟絩锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街诧拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷一锟組锟斤拷锟叫學锟斤拷锟酵感碉拷锟杰诧拷锟絤锟斤拷锟斤拷锟节旓拷(sh锟斤拷)锟絎锟絎锟斤拷锟较筹拷锟紽(xi锟斤拷n)锟絕锟斤拷锟较礙锟斤拷

锟斤拷锟斤拷锟斤拷4锟斤拷锟斤拷锟斤拷锟斤拷锟叫教學锟斤拷锟捷★拷要锟斤拷锟斤拷锟教學锟斤拷锟斤拷锟侥忥拷锟揭凤拷锟斤拷

锟斤拷锟斤拷锟絊锟斤拷锟斤拷锟斤拷锟絥锟侥的岋拷施锟斤拷锟秸九癸拷锟斤拷锟侥诧拷锟斤拷锟斤拷锟組锟斤拷锟斤拷锟叫教學锟斤拷锟斤拷锟节诧拷锟斤拷锟絟锟絧锟斤拷要锟斤拷锟节诧拷锟斤拷亟锟斤拷停锟斤拷锟斤拷锟斤拷薪虒W锟斤拷锟斤拷锟斤拷锟斤拷锟角現(xi锟斤拷n)使锟矫碉拷試锟斤拷锟接嗭拷锟斤拷滩锟斤拷锟斤拷锟斤拷锟斤拷瞬锟斤拷賰锟斤拷荩锟斤拷锟街�锟竭匡拷锟侥硷拷锟揭革拷锟斤拷锟斤拷锟竭匡拷試锟絵锟斤拷锟絵锟斤拷锟斤拷锟斤拷{锟斤拷锟斤拷锟斤拷锟絕去锟斤拷锟斤拷知锟絉锟斤拷锟斤拷锟斤拷锟斤拷D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�锟斤拷锟斤拷锟铰革拷锟叫旓拷(sh锟斤拷)锟絎锟教學锟斤拷一些“锟斤拷(zh锟斤拷n)锟斤拷”锟斤拷锟絳锟斤拷锟斤拷锟絪锟教學锟組锟饺ｏ拷锟斤拷前锟結锟斤拷锟斤拷锟絥锟斤拷锟斤拷取锟斤拷锟斤拷锟絩锟絞锟斤拷锟絔锟斤拷顧硷拷锟斤拷锟斤拷一锟絎锟斤拷锟侥斤拷锟斤拷水平锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫旓拷(sh锟斤拷)锟絎锟教學锟斤拷锟斤拷锟斤拷锟紹(y锟斤拷ng)思锟絊锟斤拷锟斤拷锟酵凤拷锟斤拷锟斤拷锟絵锟斤拷锟斤拷Q锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷思锟絊锟斤拷锟斤拷锟紹(y锟斤拷ng)訓锟斤拷锟斤拷锟斤拷锟斤拷锟剿筹拷锟叫的忥拷锟斤拷知锟絉锟斤拷锟秸和斤拷锟絵锟斤拷锟斤拷锟斤拷锟斤拷锟紹(y锟斤拷ng)訓锟斤拷锟斤拷锟紷锟絅锟斤拷位锟侥诧拷同锟斤拷锟斤拷然锟斤拷锟斤拷藢锟斤拷W锟斤拷锟斤拷要锟斤拷锟紷锟角革拷一锟斤拷锟斤拷锟叫碉拷锟杰诧拷锟絤锟斤拷锟斤拷一锟斤拷锟斤拷要锟斤拷锟截ｏ拷

锟斤拷锟斤拷锟斤拷5锟斤拷锟斤拷一锟斤拷(sh锟斤拷)锟絎锟教庯拷锟教學水平锟侥咃拷锟筋不锟絉

锟斤拷锟斤拷锟斤拷校锟斤拷锟斤拷規(gu锟斤拷)模锟斤拷锟斤拷锟斤拷U锟斤拷锟斤拷锟斤拷校锟斤拷要锟侥革拷校锟斤拷锟絀(y锟斤拷)锟斤拷锟斤拷锟斤拷锟組一锟斤拷锟斤拷锟铰教庯拷锟斤拷锟斤拷锟斤拷锟斤拷攵硷拷锟斤拷锟斤拷诺锟斤拷锟揭伙拷昙夛拷谓锟�锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫旓拷(sh锟斤拷)锟絎锟教材碉拷锟斤拷锟絯锟結锟斤拷锟斤拷锟絯系锟斤拷锟教學要锟斤拷陌锟斤拷锟斤拷私獠伙拷锟斤拷锟斤拷锟�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斤拷锟斤拷锟斤拷锟絚锟斤拷锟秸诧拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟教學锟较撅拷锟統锟斤拷锟斤拷F(xi锟斤拷n)锟斤拷锟斤拷锟絚锟斤拷一锟斤拷锟斤拷位锟竭匡拷锟斤拷锟斤拷锟斤拷却螅�教學锟截★拷锟統锟絚處锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷使锟斤拷锟斤拷 “锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷”锟斤拷锟斤拷聽锟絥锟斤拷锟斤拷锟絥锟侥帮拷锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟节教學锟斤拷锟斤拷牟锟酵�锟斤拷锟斤拷锟斤拷陌锟斤拷椴灰伙拷樱锟斤拷锟�“锟斤拷”锟教庯拷锟斤拷锟叫的憋拷锟絖锟紿锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷锟侥教學效锟斤拷锟斤拷锟斤拷锟斤拷處锟斤拷o锟斤拷一锟絩锟斤拷锟轿斤拷锟矫碉拷锟斤拷锟斤拷锟轿況锟紽(xi锟斤拷n)锟节的革拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷處锟斤拷锟斤拷染筒锟斤拷锟斤拷危锟斤拷锟斤拷锟斤拷蠋锟斤拷锟剿�平锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紽(xi锟斤拷n)锟节的革拷一锟斤拷锟斤拷還锟斤拷(j锟斤拷ng)锟斤拷锟窖革拷锟叫教庯拷锟絚锟斤拷锟斤拷锟教庯拷锟斤拷锟斤拷锟斤拷锟剿革拷校锟侥冿拷(y锟斤拷u)锟斤拷歉山處锟斤拷锟斤拷M锟叫憋拷锟絕锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟絎锟斤拷锟絁锟斤拷锟斤拷薪處锟斤拷慕虒W水平一锟斤拷锟斤拷锟斤拷锟斤拷還锟斤拷锟斤拷锟斤拷锟斤拷锟侥筹拷锟斤拷锟教庯拷锟侥教學水平锟斤拷锟紷些锟斤拷一锟斤拷(sh锟斤拷)锟絎锟教庯拷锟侥教學水平锟侥咃拷锟筋不锟絉锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟侥旓拷(sh锟斤拷)锟絎锟絎锟斤拷锟斤拷锟斤拷锟絘(ch锟斤拷n)锟斤拷一些負锟斤拷影響ｏ拷tu

锟斤拷锟斤拷2锟斤拷锟斤拷锟矫筹拷锟斤拷锟叫旓拷(sh锟斤拷)锟絎锟斤拷銜接教學锟侥斤拷锟絟

锟斤拷锟斤拷針岋拷影響革拷一锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟絎锟絎锟斤拷锟斤拷锟斤拷要原锟津，結锟较革拷锟叫旓拷(sh锟斤拷)锟絎锟教學锟斤拷锟紿锟斤拷r锟斤拷锟斤拷锟斤拷锟斤拷聨锟斤拷c锟斤拷锟絟锟斤拷

锟斤拷锟斤拷锟斤拷1锟斤拷锟接忥拷锟斤拷通锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絳锟絤

锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷W锟斤拷锟斤拷锟介數(sh锟斤拷)锟絎锟教庯拷要锟斤拷锟絖锟截給锟絎锟斤拷指锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫旓拷(sh锟斤拷)锟絎锟节冿拷锟斤拷锟斤拷要锟斤拷蛯W锟斤拷锟斤拷锟斤拷锟较的差異锟酵诧拷同要锟斤拷锟斤拷锟节成匡拷锟剿滐拷锟斤拷要锟斤拷锟斤拷要锟斤拷锟杰憋拷锟紺锟斤拷70-80锟街ｏ拷锟劫凤拷锟狡ｏ拷锟斤拷锟角诧拷锟絜锟侥成匡拷锟斤拷锟斤拷锟节學锟斤拷锟絕锟斤拷锟斤拷锟斤拷每一位同锟絎锟斤拷锟斤拷锟斤拷锟斤拷锟劫碉拷锟斤拷锟斤拷锟絎锟斤拷锟较礙锟斤拷锟斤拷锟斤拷锟角囷拷锟截碉拷锟斤拷锟斤拷(zh锟斤拷n)锟斤拷同锟絎锟斤拷锟斤拷要锟斤拷锟叫革拷锟斤拷锟斤拷锟斤拷(zh锟斤拷n)锟斤拷锟統锟斤拷锟铰氾拷统锟街�锟皆猴拷臎Q锟斤拷锟斤拷锟斤拷锟叫旓拷(sh锟斤拷)锟絎锟絎锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟揭�同锟絎锟斤拷锟絖锟斤拷锟絏锟筋，锟斤拷锟紹(y锟斤拷ng)思锟絊锟斤拷锟斤拷锟斤拷思锟斤拷锟侥時锟絞锟酵匡拷锟絞要锟饺筹拷锟叫讹拷一些锟斤拷锟斤拷锟紷锟斤拷一锟斤拷锟教讹拷锟较比猴拷锟轿機械模锟斤拷要锟斤拷锟斤拷枚啵╋拷趯W锟斤拷锟絕锟斤拷锟斤拷要锟斤拷锟节匡拷锟結锟酵歸锟絳锟斤拷锟絵思锟斤拷头锟斤拷锟斤拷锟教斤拷锟斤拷m锟斤拷锟斤拷锟斤拷锟侥學锟斤拷锟斤拷锟斤拷锟斤拷锟教庯拷要锟斤拷锟斤拷每一锟斤拷锟絎锟斤拷锟侥傦拷锟斤拷锟斤拷锟絃锟斤拷锟斤拷锟絥锟斤拷锟斤拷要努锟斤拷锟斤拷锟斤拷一锟絅锟斤拷锟斤拷锟斤拷锟斤拷锟紺锟斤拷锟斤拷锟斤拷锟斤拷平锟斤拷锟斤拷锟斤拷洽锟斤拷“锟教學锟斤拷”锟斤拷锟缴囷拷锟紺锟斤拷锟絥锟矫氾拷眨锟�锟斤拷讓每一锟斤拷锟絎锟斤拷锟斤拷锟诫、锟斤拷锟斤拷锟斤拷要锟截別锟絇注每一锟斤拷锟絎锟斤拷锟斤拷思锟絊锟斤拷锟給論锟角岋拷锟絚锟絜锟斤拷要锟給锟斤拷锟街肯讹拷锟斤拷锟斤拷锟斤拷锟斤拷抓住每一锟絚锟缴匡拷锟斤拷锟組锟斤拷锟斤拷锟給锟斤拷膭锟斤拷贊锟絇锟斤拷锟斤拷锟斤拷锟絎锟斤拷锟斤拷锟斤拷锟絎锟矫旓拷(sh锟斤拷)锟絎锟斤拷锟斤拷锟斤拷锟侥猴拷锟皆忥拷锟侥ｏ拷

锟斤拷锟斤拷锟斤拷2锟斤拷锟斤拷锟截伙拷锟紸锟斤拷锟絁知水平锟斤拷平锟斤拷(w锟斤拷n)锟絕锟斤拷

锟斤拷锟斤拷锟斤拷锟絕锟截筹拷锟絁锟紽(xi锟斤拷n)锟叫筹拷锟叫�锟斤拷I(y锟斤拷)锟斤拷锟侥伙拷锟紸知锟絉锟結锟斤拷锟斤拷锟絁知水平锟斤拷锟斤拷锟斤拷锟教學锟組锟斤拷锟斤拷锟絳锟絤锟教學锟斤拷锟皆ｏ拷锟斤拷锟斤拷(j锟斤拷)锟斤拷一锟斤拷一锟铰硷拷锟斤拷锟絚锟斤拷锟斤拷邏輯锟斤拷锟斤拷锟捷筹拷锟襟、革拷锟斤拷锟絕锟斤拷锟斤拷锟斤拷號锟絑锟皆★拷锟紻锟斤拷锟絑锟斤拷锟絕锟斤拷锟斤拷锟斤拷c锟斤拷锟斤拷锟斤拷要锟斤拷锟斤拷锟教學锟組锟斤拷锟斤拷锟絤锟斤拷锟斤拷锟酵教學要锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角岋拷锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟节學锟斤拷锟剿硷拷锟较的革拷锟斤拷涂占锟斤拷母锟斤拷锟斤拷锟斤拷锟杰讹拷處锟斤拷图锟斤拷锟阶岋拷W锟斤拷锟斤拷锟斤拷φ锟斤拷 {0}锟斤拷{φ}锟侥區(q锟斤拷)锟絜锟斤拷锟紷锟斤拷锟絕锟斤拷锟斤拷锟斤拷锟剿岋拷锟絎锟斤拷锟斤拷要锟斤拷锟斤拷锟絎锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷锟斤拷锟統锟斤拷锟斤拷锟斤拷锟絵锟絆锟斤拷注锟斤拷锟捷度ｏ拷循锟斤拷u锟組锟斤拷锟斤拷锟矫筹拷锟叫的傦拷锟統(t锟斤拷ng)锟斤拷锟斤拷锟斤拷锟接忥拷锟斤拷锟斤拷锟斤拷平锟斤拷(w锟斤拷n)锟絕锟斤拷锟斤拷锟斤拷锟斤拷锟絭锟疥集锟较的斤拷锟酵诧拷锟絓锟斤拷螅�匡拷锟斤拷锟絆锟斤拷锟斤拷锟铰的嗭拷锟絵锟斤拷锟斤拷锟斤拷讓锟絎锟斤拷锟斤拷悉锟斤拷锟较的斤拷锟斤拷锟斤拷锟絓锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絓锟斤拷變锟斤拷锟斤拷锟絕锟絚锟斤拷

锟斤拷锟斤拷锟絆锟斤拷锟斤拷A={x|-3≤x<5}, B={x|x≤a}锟斤拷锟斤拷锟斤拷(j锟斤拷)锟斤拷锟叫條锟斤拷锟斤拷锟襟實旓拷(sh锟斤拷)a锟斤拷取值锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷A∩B=φ 锟斤拷A∩B={-3} 锟斤拷A∩B={x|-3≤x≤a}

锟斤拷锟�锟斤拷锟紸∩B=A 锟斤拷A∪B={x|x<5}

锟斤拷锟斤拷锟斤拷锟较嗭拷锟絵只锟揭�锟絎锟斤拷锟节旓拷(sh锟斤拷)锟絊锟较憋拷示锟斤拷锟斤拷A锟斤拷B,锟窖岋拷锟斤拷(sh锟斤拷)a锟斤拷锟斤拷锟斤拷锟絚锟节旓拷(sh锟斤拷)锟絊锟较忥拷锟斤拷锟斤拷锟斤拷锟狡勶拷锟斤拷锟酵匡拷锟皆得碉拷锟斤拷锟斤拷要锟斤拷膶锟斤拷锟�(sh锟斤拷)a 取值锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷3锟斤拷抓住锟斤拷锟斤拷锟叫冿拷锟捷碉拷聯(li锟斤拷n)系锟斤拷突锟狡教學锟統锟絚

锟斤拷锟斤拷锟斤拷一锟教诧拷锟斤拷锟斤拷锟絊锟斤拷锟斤拷锟捷讹拷锟斤拷锟絚锟斤拷锟叫冿拷锟斤拷锟斤拷锟斤拷锟斤拷聯(li锟斤拷n)系锟侥ｏ拷锟斤拷锟斤拷锟阶プ★拷锟斤拷锟斤拷膬锟斤拷锟铰�(li锟斤拷n)系锟斤拷锟組锟叫岋拷锟饺凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷么锟酵曪拷讓锟絎锟斤拷锟絎锟斤拷锟斤拷锟斤拷锟叫碉拷锟絧锟缴★拷锟斤拷然锟斤拷锟竭筹拷锟絎锟斤拷锟较礙锟斤拷锟界對锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟叫學锟斤拷锟秸憋拷械锟斤拷锟斤拷y锟斤拷一锟斤拷锟斤拷要锟斤拷原锟斤拷锟斤拷锟筋惐瘸锟斤拷锟斤拷袃煞N锟斤拷锟斤拷锟侥猴拷锟絰锟斤拷锟斤拷锟斤拷锟斤拷藢W锟斤拷锟斤拷锟斤拷锟较碉拷锟統锟斤拷锟斤拷锟铰岋拷锟斤拷锟斤拷锟节筹拷锟叫讹拷锟絰锟斤拷“锟絆锟斤拷一锟斤拷變锟斤拷锟絕锟斤拷锟斤拷锟叫兩傦拷變锟斤拷x锟絚y,锟斤拷锟斤拷锟斤拷锟絰锟斤拷每一锟斤拷值锟斤拷y锟斤拷锟斤拷唯一锟斤拷值锟絚锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷么锟斤拷锟絝x锟斤拷锟斤拷變锟斤拷锟斤拷y锟斤拷x锟侥猴拷锟斤拷(sh锟斤拷)”锟叫ｏ拷锟揭傦拷锟斤拷全锟斤拷锟斤拷锟揭筹拷锟斤拷锟叫猴拷锟斤拷(sh锟斤拷)锟斤拷锟絰锟叫碉拷 “锟斤拷锟斤拷A锟斤拷锟斤拷锟斤拷B锟酵岋拷锟斤拷锟斤拷锟絫f”锟斤拷“锟斤拷一锟斤拷變锟斤拷锟絕锟斤拷锟斤拷x锟斤拷每一锟斤拷值”锟酵橈拷锟缴硷拷锟斤拷A锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟侥讹拷锟絰锟津）ｏ拷“锟絚每一锟斤拷x唯一锟斤拷锟斤拷锟斤拷y值”锟酵橈拷锟缴猴拷锟斤拷(sh锟斤拷)锟斤拷值锟斤拷C

锟斤拷锟斤拷B锟斤拷锟斤拷映锟斤拷锟叫诧拷锟絔锟斤拷要锟斤拷B锟叫碉拷元锟截讹拷锟斤拷原锟襟）ｏ拷“锟斤拷锟斤拷x锟斤拷每一锟斤拷值锟斤拷y锟斤拷锟斤拷唯一锟斤拷值锟絚锟斤拷锟斤拷锟斤拷”锟斤拷锟斤拷锟絝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絫f锟斤拷锟紷锟斤拷類比ｏ拷锟酵把筹拷锟斤拷锟叫兩種锟斤拷锟斤拷锟斤拷式聯(li锟斤拷n)系锟斤拷锟斤拷锟斤拷锟斤拷讓锟絎锟斤拷锟叫碉拷锟斤拷锟叫讹拷锟絰锟斤拷锟角從筹拷锟叫讹拷锟絰锟斤拷锟絕锟斤拷锟絕锟斤拷锟侥ｏ拷锟斤拷锟揭革拷锟絍锟斤拷锟斤拷锟斤拷锟戒實锟絴锟絔锟斤拷變锟斤拷锟斤拷锟角刻勶拷一锟絅锟斤拷锟斤拷锟絇系锟斤拷锟斤拷锟斤拷一锟斤拷一锟斤拷一锟斤拷锟斤拷然锟斤拷锟劫從學锟斤拷锟斤拷悉锟斤拷一锟轿猴拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟轿猴拷锟斤拷(sh锟斤拷)锟斤拷去锟揭筹拷锟斤拷锟斤拷锟侥硷拷锟斤拷A锟斤拷锟斤拷锟斤拷B锟酵岋拷锟斤拷锟斤拷锟絫f锟斤拷讓锟絎锟斤拷锟組一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟节硷拷锟斤拷映锟斤拷锟絕锟絚锟铰的猴拷锟斤拷(sh锟斤拷)锟斤拷锟絰锟斤拷

锟斤拷锟斤拷锟斤拷4锟斤拷锟接忥拷锟教庯拷锟斤拷訓锟斤拷锟斤拷呓虒W水平

锟斤拷锟斤拷锟教庯拷锟侥教學水平直锟斤拷影锟斤拷锟斤拷锟揭伙拷锟斤拷锟斤拷某锟斤拷袑W锟斤拷锟斤拷锟斤拷锟叫學锟斤拷锟斤拷锟絕锟缴嗭拷锟絵锟斤拷锟斤拷锟斤拷(j锟斤拷)锟斤拷校锟斤拷一锟疥級锟铰教庯拷锟斤拷锟斤拷锟斤拷锟斤拷c锟斤拷锟接忥拷锟教庯拷锟斤拷訓锟角革拷贸锟斤拷锟斤拷锟姐暯咏虒W锟斤拷锟斤拷要锟街讹拷锟斤拷锟斤拷锟斤拷要抓锟矫嶏拷前锟斤拷訓锟斤拷锟斤拷锟斤拷锟斤拷锟节达拷W锟斤拷锟斤拷校锟襟到猴拷锟斤拷锟斤拷锟組锟斤拷锟斤拷訓锟斤拷锟缴斤拷锟叫組锟絃锟斤拷锟斤拷锟絥锟組锟絃锟斤拷锟絭锟教诧拷锟絯系锟斤拷锟斤拷锟斤拷锟統锟絚锟斤拷锟絇锟絀锟斤拷锟教學目锟剿猴拷要锟襟及革拷锟斤拷锟街教诧拷處锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟絥锟斤拷锟組锟斤拷锟絬锟絥锟斤拷锟�锟斤拷锟組锟斤拷锟铰教庯拷锟斤拷锟斤拷锟教帮拷锟斤拷锟斤拷锟絯討論锟饺ｏ拷要锟斤拷锟铰教庯拷锟斤拷锟矫硷拷锟斤拷锟斤拷锟斤拷滩锟斤拷械锟斤拷锟斤拷芯锟斤拷锟斤拷}锟斤拷锟斤拷锟揭�抓锟斤拷平锟絩锟教學锟絕锟斤拷锟叫的硷拷锟絯锟斤拷锟絥锟斤拷锟斤拷锟斤拷锟叫斤拷(j锟斤拷ng)锟侥教庯拷锟斤拷锟饺撅拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟絥討論锟侥硷拷锟絯锟教帮拷锟斤拷通锟絕討論锟轿成诧拷同锟接达拷要锟斤拷慕贪锟斤拷O計锟斤拷锟斤拷锟斤拷锟斤拷處锟斤拷锟斤拷锟斤拷贪锟斤拷峁╋拷藰影澹�锟斤拷锟斤拷锟斤拷還要锟斤拷锟斤拷锟斤拷處锟斤拷訌锟铰狅拷n锟絎锟斤拷锟斤拷锟斤拷锟絙锟叫斤拷(j锟斤拷ng)锟侥教庯拷锟絥锟斤拷锟絊锟紺锟斤拷變锟侥斤拷锟斤拷锟教學藝锟絞锟斤拷

锟斤拷锟斤拷锟斤拷之锟斤拷抓锟矫筹拷锟斤拷锟斤拷銜接教學锟斤拷锟斤拷思路锟酵岋拷锟斤拷锟角讹拷N锟斤拷锟接碉拷锟斤拷只锟斤拷锟角種針岋拷锟絎校锟斤拷锟紿锟斤拷锟叫的凤拷矢锟斤拷锟絗锟斤拷锟阶�锟斤拷锟斤拷锟绞╋拷痰牟锟斤拷裕锟斤拷锟斤拷锟斤拷锟斤拷锟叫�锟斤拷锟斤拷晒锟斤拷锟斤拷锟斤拷锟斤拷锟�

锟斤拷锟絇锟斤拷锟絔锟斤拷

       锟斤拷一锟斤拷(sh锟斤拷)锟絎锟絎锟斤拷锟斤拷锟斤拷锟絉锟斤拷

锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟斤拷锟斤拷锟斤拷前锟绞傦拷锟斤拷志愿锟斤拷锟斤拷取锟街旓拷(sh锟斤拷)锟斤拷锟斤拷

锟竭匡拷锟絩锟絞锟斤拷锟斤拷全锟斤拷锟斤拷要锟斤拷(ji锟斤拷)锟絚

锟組锟斤拷"锟竭匡拷锟絎(w锟斤拷ng)"微锟脚癸拷锟斤拷號