锟斤拷锟斤拷1.锟絲锟斤拷锟秸硷拷

锟斤拷锟斤拷锟斤拷锟节空硷拷锟斤拷锟轿何非空硷拷锟较碉拷锟斤拷锟接硷拷锟斤拷锟斤拷锟紹=?锟絩(sh锟斤拷)也锟組(m锟斤拷n)锟斤拷B?A锟斤拷锟解含锟叫咃拷锟斤拷(sh锟斤拷)锟侥硷拷锟较嗭拷(w锟斤拷n)锟絵锟絩(sh锟斤拷)锟斤拷要锟截別注锟解當(d锟斤拷ng)锟斤拷锟斤拷(sh锟斤拷)锟斤拷某锟斤拷(g锟斤拷)锟斤拷锟斤拷锟斤拷(n锟斤拷i)取值锟絩(sh锟斤拷)锟斤拷锟給锟侥硷拷锟较匡拷锟斤拷锟角空硷拷锟紷锟絅锟斤拷r锟斤拷

锟斤拷锟斤拷2.锟斤拷視锟斤拷锟斤拷元锟截碉拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟叫碉拷元锟截撅拷锟叫確锟斤拷锟斤拷锟斤拷锟給(w锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆ｏ拷锟斤拷锟斤拷元锟截碉拷锟斤拷锟斤拷锟叫伙拷锟斤拷锟皆岋拷(du锟斤拷)锟斤拷锟絵锟斤拷影锟斤拷锟斤拷锟斤拷锟截別锟角庯拷锟斤拷锟斤拷母锟斤拷锟斤拷(sh锟斤拷)锟侥硷拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟紿锟较撅拷锟絒锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷母锟斤拷锟斤拷(sh锟斤拷)锟斤拷一些要锟斤拷锟斤拷

锟斤拷锟斤拷3.锟斤拷锟斤拷锟斤拷锟絵锟侥凤拷锟絚锟斤拷锟斤拷锟絵

锟斤拷锟斤拷锟斤拷锟絵锟斤拷“锟斤拷”锟絚锟斤拷锟絵锟斤拷“锟斤拷锟斤拷锟絵”锟角兩傦拷(g锟斤拷)锟斤拷同锟侥革拷锟筋，锟斤拷锟絵p锟侥凤拷锟角凤拷锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟叫旓拷锟斤拷锟斤拷“锟斤拷锟斤拷锟絵”锟角岋拷(du锟斤拷)“锟斤拷p锟斤拷锟絫q”锟斤拷式锟斤拷锟斤拷锟絵锟斤拷锟斤拷锟斤拷锟斤拷要锟今定條锟斤拷也要锟今定結(ji锟斤拷)論锟斤拷

锟斤拷锟斤拷4.锟斤拷謼l锟斤拷锟斤拷锟斤拷要锟絣锟斤拷顛碉拷

锟斤拷锟斤拷锟斤拷(du锟斤拷)锟节兩傦拷(g锟斤拷)锟絣锟斤拷A锟斤拷B锟斤拷锟斤拷锟紸?B锟斤拷锟斤拷锟斤拷锟絫A锟斤拷B锟侥筹拷謼l锟斤拷锟斤拷B锟斤拷A锟侥憋拷要锟絣锟斤拷锟斤拷锟斤拷锟紹?A锟斤拷锟斤拷锟斤拷锟絫A锟斤拷B锟侥憋拷要锟絣锟斤拷锟斤拷B锟斤拷A锟侥筹拷謼l锟斤拷锟斤拷锟斤拷锟紸?B锟斤拷锟絫A锟斤拷B锟斤拷锟斤拷锟街憋拷要锟絣锟斤拷锟斤拷锟斤拷锟絵锟絩(sh锟斤拷)锟斤拷锟斤拷锟阶筹拷锟絜(cu锟斤拷)锟侥撅拷锟斤拷顛碉拷锟剿筹拷锟斤拷锟斤拷c锟斤拷要锟斤拷锟斤拷锟斤拷锟斤拷锟节斤拷Q锟紷锟�(l锟斤拷i)锟斤拷(w锟斤拷n)锟絵锟絩(sh锟斤拷)一锟斤拷要锟斤拷锟斤拷(j锟斤拷)锟斤拷謼l锟斤拷锟酵憋拷要锟絣锟斤拷锟侥革拷锟斤拷锟斤拷锟斤拷锟斤拷(zh锟斤拷n)锟絖锟斤拷锟叫斷。

锟斤拷锟斤拷5.“锟斤拷”“锟斤拷”“锟斤拷”锟斤拷锟解不锟斤拷(zh锟斤拷n)

锟斤拷锟斤拷锟斤拷锟絵p∨q锟斤拷?p锟斤拷锟絨锟斤拷锟斤拷锟斤拷锟絵p∨q锟斤拷?p锟斤拷锟斤拷q锟斤拷(锟斤拷锟斤拷锟斤拷一锟芥即锟斤拷)锟斤拷锟斤拷锟絵p∧q锟斤拷?p锟斤拷锟斤拷q锟斤拷锟斤拷锟斤拷锟絵p∧q锟斤拷?p锟劫伙拷q锟斤拷(锟斤拷锟斤拷锟斤拷一锟劫硷拷锟斤拷)锟斤拷锟斤拷p锟斤拷?p锟斤拷锟斤拷锟斤拷p锟斤拷?p锟斤拷(锟斤拷锟斤拷锟斤拷一锟斤拷一锟斤拷)锟斤拷锟襟參旓拷(sh锟斤拷)取值锟斤拷锟斤拷锟斤拷锟絵目锟斤拷也锟斤拷锟皆帮拷“锟斤拷”“锟斤拷”“锟斤拷”锟絚锟斤拷锟较碉拷“锟斤拷”“锟斤拷”“锟絘(b锟斤拷)”锟斤拷(du锟斤拷)锟斤拷(y锟斤拷ng)锟斤拷锟斤拷(l锟斤拷i)锟組(j锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷通锟絕(gu锟斤拷)锟斤拷锟较碉拷锟絓(y锟斤拷n)锟斤拷锟斤拷锟�锟斤拷

锟斤拷锟斤拷6.锟斤拷锟斤拷(sh锟斤拷)锟侥嗭拷锟絳(di锟斤拷o)锟絕(q锟斤拷)锟絞锟斤拷锟解不锟斤拷(zh锟斤拷n)

锟斤拷锟斤拷锟斤拷锟叫撅拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷(w锟斤拷n)锟絵锟絩(sh锟斤拷)要锟絩(sh锟斤拷)锟絩(sh锟斤拷)锟教匡拷锟诫到“锟斤拷锟斤拷(sh锟斤拷)锟侥圖锟斤拷”锟斤拷锟絎(xu锟斤拷)锟斤拷(hu锟斤拷)锟侥猴拷锟斤拷(sh锟斤拷)锟紻锟斤拷锟斤拷去锟斤拷锟斤拷锟斤拷(w锟斤拷n)锟絵锟斤拷锟斤拷锟揭斤拷Q锟斤拷(w锟斤拷n)锟絵锟侥凤拷锟斤拷锟斤拷锟斤拷(du锟斤拷)锟节猴拷锟斤拷(sh锟斤拷)锟侥幾傦拷(g锟斤拷)锟斤拷同锟侥嗭拷锟絳(di锟斤拷o)锟絝锟斤拷(锟絧)锟絕(q锟斤拷)锟絞锟斤拷锟叫硷拷使锟矫诧拷锟斤拷锟斤拷只要指锟斤拷锟紷锟阶傦拷(g锟斤拷)锟絕(q锟斤拷)锟絞锟斤拷該锟斤拷锟斤拷(sh锟斤拷)锟侥嗭拷锟絳(di锟斤拷o)锟絝锟斤拷(锟絧)锟絕(q锟斤拷)锟絞锟斤拷锟缴★拷

锟斤拷锟斤拷7.锟叫斷函锟斤拷(sh锟斤拷)锟斤拷偶锟皆猴拷锟皆讹拷锟絰锟斤拷

锟斤拷锟斤拷锟叫斷函锟斤拷(sh锟斤拷)锟斤拷锟斤拷偶锟斤拷锟斤拷锟斤拷锟斤拷要锟斤拷锟絔锟斤拷锟斤拷(sh锟斤拷)锟侥讹拷锟絰锟斤拷一锟斤拷(g锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟竭傦拷锟斤拷偶锟皆的憋拷要锟絣锟斤拷锟斤拷锟紷锟斤拷(g锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟侥讹拷锟絰锟斤拷锟絇(gu锟斤拷n)锟斤拷原锟絚(di锟斤拷n)锟斤拷(du锟斤拷)锟絈(ch锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷邆锟斤拷@锟斤拷(g锟斤拷)锟絣锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)一锟斤拷锟角凤拷锟斤拷锟脚硷拷锟斤拷锟�(sh锟斤拷)锟斤拷

锟斤拷锟斤拷8.锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷使锟矫诧拷锟斤拷(d锟斤拷ng)

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�(sh锟斤拷)y=f(x)锟节區(q锟斤拷)锟絞[a锟斤拷b]锟较的圖锟斤拷锟斤拷一锟絣锟紹锟絤(x锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷f(a)f(b)<0锟斤拷锟斤拷么锟斤拷锟斤拷锟斤拷(sh锟斤拷)y=f(x)锟节區(q锟斤拷)锟絞(a锟斤拷b)锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷f(a)f(b)>0锟絩(sh锟斤拷)锟斤拷锟斤拷锟杰否定猴拷锟斤拷(sh锟斤拷)y=f(x)锟斤拷(a锟斤拷b)锟斤拷(n锟斤拷i)锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷“變號(h锟斤拷o)锟斤拷锟絚(di锟斤拷n)”锟斤拷“锟斤拷變號(h锟斤拷o)锟斤拷锟絚(di锟斤拷n)”锟斤拷锟斤拷(du锟斤拷)锟斤拷“锟斤拷變號(h锟斤拷o)锟斤拷锟絚(di锟斤拷n)”锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷锟斤拷“锟給(w锟斤拷)锟杰烇拷锟斤拷”锟斤拷锟斤拷锟节斤拷Q锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷(w锟斤拷n)锟絵锟絩(sh锟斤拷)要注锟斤拷锟紷锟斤拷(g锟斤拷)锟斤拷(w锟斤拷n)锟絵锟斤拷

锟斤拷锟斤拷9.锟斤拷锟角猴拷锟斤拷(sh锟斤拷)锟侥嗭拷锟絳(di锟斤拷o)锟斤拷锟叫旓拷

锟斤拷锟斤拷锟斤拷(du锟斤拷)锟节猴拷锟斤拷(sh锟斤拷)y=Asin(ωx+φ)锟侥嗭拷锟絳(di锟斤拷o)锟斤拷锟斤拷锟斤拷(d锟斤拷ng)ω>0锟絩(sh锟斤拷)锟斤拷锟斤拷锟节冿拷(n锟斤拷i)锟接猴拷锟斤拷(sh锟斤拷)u=ωx+φ锟角嗭拷锟絳(di锟斤拷o)锟絝锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷該锟斤拷锟斤拷(sh锟斤拷)锟侥嗭拷锟絳(di锟斤拷o)锟皆猴拷y=sinx锟侥嗭拷锟絳(di锟斤拷o)锟斤拷锟斤拷同锟斤拷锟绞匡拷锟斤拷全锟斤拷锟秸猴拷锟斤拷(sh锟斤拷)y=sinx锟侥嗭拷锟絳(di锟斤拷o)锟絕(q锟斤拷)锟絞锟斤拷Q锟斤拷锟斤拷锟斤拷(d锟斤拷ng)ω<0锟絩(sh锟斤拷)锟斤拷锟斤拷(n锟斤拷i)锟接猴拷锟斤拷(sh锟斤拷)u=ωx+φ锟角嗭拷锟絳(di锟斤拷o)锟絝锟絧锟斤拷锟斤拷锟剿時(sh锟斤拷)該锟斤拷锟斤拷(sh锟斤拷)锟侥嗭拷锟絳(di锟斤拷o)锟皆和猴拷锟斤拷(sh锟斤拷)y=sinx锟侥嗭拷锟絳(di锟斤拷o)锟斤拷锟洁反锟斤拷锟酵诧拷锟斤拷锟劫帮拷锟秸猴拷锟斤拷(sh锟斤拷)y=sinx锟侥嗭拷锟絳(di锟斤拷o)锟皆斤拷Q锟斤拷一锟斤拷锟角革拷锟斤拷(j锟斤拷)锟斤拷锟角猴拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷偶锟皆岋拷锟斤拷(n锟斤拷i)锟接猴拷锟斤拷(sh锟斤拷)锟斤拷系锟斤拷(sh锟斤拷)變?y锟斤拷u)锟斤拷锟斤拷?sh锟斤拷)锟斤拷锟劫硷拷锟皆斤拷Q锟斤拷锟斤拷(du锟斤拷)锟节庯拷锟叫絕锟斤拷(du锟斤拷)值锟斤拷锟斤拷锟角猴拷锟斤拷(sh锟斤拷)锟斤拷(y锟斤拷ng)該锟斤拷锟斤拷(j锟斤拷)锟紻锟斤拷锟斤拷锟斤拷直锟絕锟斤拷锟組(j锟斤拷n)锟斤拷锟叫旓拷锟斤拷

锟斤拷锟斤拷10.锟斤拷視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斤拷锟斤拷锟斤拷锟�锟斤拷規(gu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絃(zh锟斤拷ng)锟饺烇拷0锟斤拷锟戒方锟斤拷锟斤拷锟斤拷锟斤拷模锟斤拷锟斤拷锟斤拷锟斤拷c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叫碉拷位锟斤拷锟斤拷锟界實(sh锟斤拷)锟斤拷(sh锟斤拷)锟斤拷0锟斤拷位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斤拷一些锟斤拷锟斤拷锟斤拷锟斤拷微锟斤拷锟絔锟斤拷锟斤拷锟酵曪拷(hu锟斤拷)锟斤拷锟絜(cu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷(y锟斤拷ng)锟給锟斤拷锟斤拷锟斤拷锟斤拷視锟斤拷

锟斤拷锟斤拷11.锟斤拷锟斤拷锟紸锟角凤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟絵锟絩(sh锟斤拷)要全锟芥考锟絔锟斤拷(w锟斤拷n)锟絵锟斤拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)試锟絵锟斤拷锟斤拷锟斤拷锟絒锟斤拷锟斤拷一些锟斤拷锟阶憋拷锟斤拷锟斤拷锟斤拷锟斤拷視锟斤拷锟斤拷锟斤拷锟斤拷锟杰诧拷锟斤拷锟节斤拷锟絵锟絩(sh锟斤拷)锟斤拷锟紷些锟斤拷锟截匡拷锟絔锟斤拷锟斤拷锟角斤拷锟絵锟缴癸拷锟斤拷锟絇(gu锟斤拷n)锟絀锟斤拷锟界當(d锟斤拷ng)a·b<0锟絩(sh锟斤拷)锟斤拷a锟絚b锟侥夾锟角诧拷一锟斤拷锟斤拷锟絞锟斤拷锟斤拷要注锟斤拷θ=π锟斤拷锟斤拷r锟斤拷

锟斤拷锟斤拷12.an锟絚Sn锟絇(gu锟斤拷n)系锟斤拷锟斤拷

锟斤拷锟斤拷锟节旓拷(sh锟斤拷)锟叫嗭拷(w锟斤拷n)锟絵锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟叫碉拷通锟�(xi锟斤拷ng)an锟絚锟斤拷前n锟�(xi锟斤拷ng)锟斤拷Sn之锟絞锟斤拷锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)系锟斤拷an=S1锟斤拷n=1锟斤拷Sn-Sn-1锟斤拷n≥2锟斤拷锟紷锟斤拷(g锟斤拷)锟絇(gu锟斤拷n)系锟斤拷(du锟斤拷)锟斤拷锟解數(sh锟斤拷)锟叫讹拷锟角筹拷锟斤拷锟侥ｏ拷锟斤拷要注锟斤拷锟斤拷锟斤拷@锟斤拷(g锟斤拷)锟絇(gu锟斤拷n)系式锟角分段碉拷锟斤拷锟斤拷n=1锟斤拷n≥2锟絩(sh锟斤拷)锟紷锟斤拷(g锟斤拷)锟絇(gu锟斤拷n)系式锟斤拷锟斤拷锟斤拷全锟斤拷同锟侥憋拷锟紽(xi锟斤拷n)锟斤拷式锟斤拷锟紷也锟角斤拷锟絵锟叫斤拷(j锟斤拷ng)锟斤拷锟斤拷锟絜(cu锟斤拷)锟斤拷一锟斤拷(g锟斤拷)锟截凤拷锟斤拷锟斤拷使锟斤拷锟紷锟斤拷(g锟斤拷)锟絇(gu锟斤拷n)系式锟絩(sh锟斤拷)要锟斤拷锟斤拷記住锟斤拷“锟街讹拷”锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷

锟斤拷锟斤拷13.锟斤拷(du锟斤拷)锟斤拷(sh锟斤拷)锟叫的讹拷锟絰锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟絜(cu锟斤拷)锟絗

锟斤拷锟斤拷锟饺差數(sh锟斤拷)锟叫碉拷前n锟�(xi锟斤拷ng)锟斤拷锟节癸拷锟筋不锟斤拷锟斤拷r(sh锟斤拷)锟斤拷锟絇(gu锟斤拷n)锟斤拷n锟侥筹拷锟斤拷(sh锟斤拷)锟�(xi锟斤拷ng)锟斤拷锟斤拷亩锟斤拷魏锟斤拷锟�(sh锟斤拷)锟斤拷一锟斤拷锟�锟斤拷锟叫結(ji锟斤拷)論“锟斤拷锟斤拷(sh锟斤拷)锟斤拷{an}锟斤拷前n锟�(xi锟斤拷ng)锟斤拷Sn=an2+bn+c(a锟斤拷b锟斤拷c∈R)锟斤拷锟絫锟斤拷(sh锟斤拷)锟斤拷{an}锟斤拷炔顢�(sh锟斤拷)锟叫的筹拷要锟絣锟斤拷锟斤拷c=0”锟斤拷锟节等差數(sh锟斤拷)锟斤拷锟斤拷锟斤拷Sm锟斤拷S2m-Sm锟斤拷S3m-S2m(m∈N*)锟角等差數(sh锟斤拷)锟叫★拷

锟斤拷锟斤拷14.锟斤拷(sh锟斤拷)锟斤拷锟叫碉拷锟斤拷值锟絜(cu锟斤拷)锟絗

锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟叫嗭拷(w锟斤拷n)锟絵锟斤拷锟斤拷通锟�(xi锟斤拷ng)锟斤拷式锟斤拷前n锟�(xi锟斤拷ng)锟酵癸拷式锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)n锟侥猴拷锟斤拷(sh锟斤拷)锟斤拷要锟斤拷锟节從猴拷锟斤拷(sh锟斤拷)锟斤拷锟絕锟絚(di锟斤拷n)锟絁(r锟斤拷n)锟絉(sh锟斤拷)锟斤拷锟斤拷锟解數(sh锟斤拷)锟叫嗭拷(w锟斤拷n)锟絵锟斤拷锟斤拷(sh锟斤拷)锟叫碉拷通锟�(xi锟斤拷ng)an锟絚前n锟�(xi锟斤拷ng)锟斤拷Sn锟斤拷锟絇(gu锟斤拷n)系锟角高匡拷锟斤拷锟斤拷锟絵锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷锟絵锟絩(sh锟斤拷)要注锟斤拷锟絥=1锟斤拷n≥2锟斤拷锟絖(k锟斤拷i)討論锟斤拷锟劫匡拷锟杰诧拷锟杰統(t锟斤拷ng)一锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)n锟侥讹拷锟轿猴拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷取锟斤拷值锟斤拷锟絚(di锟斤拷n)要锟斤拷锟斤拷(j锟斤拷)锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟絰锟斤拷锟轿猴拷锟斤拷(sh锟斤拷)锟侥岋拷(du锟斤拷)锟絈(ch锟斤拷ng)锟絊锟斤拷锟絟(yu锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷15.锟絜(cu锟斤拷)位锟斤拷锟絧锟斤拷锟斤拷(xi锟斤拷ng)處锟斤拷锟斤拷锟斤拷(d锟斤拷ng)

锟斤拷锟斤拷锟絜(cu锟斤拷)位锟斤拷锟絧锟斤拷头锟斤拷锟斤拷m锟矫條锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷一锟斤拷(g锟斤拷)锟饺差數(sh锟斤拷)锟叫猴拷一锟斤拷(g锟斤拷)锟饺比旓拷(sh锟斤拷)锟叫岋拷(du锟斤拷)锟斤拷(y锟斤拷ng)锟�(xi锟斤拷ng)锟侥乘積锟斤拷锟組锟缴碉拷锟斤拷锟斤拷锟斤拷前n锟�(xi锟斤拷ng)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絆(sh锟斤拷)锟紷锟斤拷(g锟斤拷)锟斤拷式锟斤拷Sn锟斤拷锟斤拷锟紷锟斤拷(g锟斤拷)锟斤拷式锟缴讹拷同锟絩(sh锟斤拷)锟斤拷锟皆等比旓拷(sh锟斤拷)锟叫的癸拷锟饺得碉拷锟斤拷一锟斤拷(g锟斤拷)锟斤拷式锟斤拷锟紷锟缴傦拷(g锟斤拷)锟斤拷式锟絜(cu锟斤拷)一位锟斤拷锟絧锟斤拷锟酵把嗭拷(w锟斤拷n)锟絵锟紻(zhu锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷一锟斤拷(g锟斤拷)锟饺比旓拷(sh锟斤拷)锟叫碉拷前n锟�(xi锟斤拷ng)锟酵伙拷前n-1锟�(xi锟斤拷ng)锟酵烇拷锟斤拷锟斤拷锟斤拷蛦锟�(w锟斤拷n)锟絵.锟紷锟斤拷锟斤拷锟斤拷锟阶筹拷锟紽(xi锟斤拷n)锟斤拷(w锟斤拷n)锟絵锟侥撅拷锟斤拷锟絜(cu锟斤拷)位锟斤拷锟絧锟斤拷(du锟斤拷)剩锟斤拷锟�(xi锟斤拷ng)锟斤拷處锟斤拷锟斤拷

锟斤拷锟斤拷16.锟斤拷锟斤拷式锟斤拷锟絴(zh锟斤拷)锟斤拷(y锟斤拷ng)锟矫诧拷锟斤拷(d锟斤拷ng)

锟斤拷锟斤拷锟斤拷使锟矫诧拷锟斤拷式锟侥伙拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟組(j锟斤拷n)锟斤拷锟斤拷锟斤拷論锟紺锟絩(sh锟斤拷)一锟斤拷要锟斤拷(zh锟斤拷n)锟絖锟斤拷锟截別锟角诧拷锟斤拷式锟缴讹拷同锟絩(sh锟斤拷)锟斤拷锟皆伙拷同锟絩(sh锟斤拷)锟斤拷锟斤拷一锟斤拷(g锟斤拷)锟斤拷(sh锟斤拷)式锟斤拷锟缴傦拷(g锟斤拷)锟斤拷锟斤拷式锟斤拷锟�锟斤拷一锟斤拷(g锟斤拷)锟斤拷锟斤拷式锟缴讹拷同锟絩(sh锟斤拷)n锟轿凤拷锟絩(sh锟斤拷)锟斤拷一锟斤拷要注锟斤拷使锟斤拷锟杰夛拷锟紷锟斤拷锟斤拷锟侥條锟斤拷锟斤拷锟斤拷锟斤拷锟揭曪拷瞬锟斤拷锟绞斤拷锟斤拷|(zh锟斤拷)锟斤拷锟斤拷锟斤拷前锟斤拷l锟斤拷锟酵曪拷(hu锟斤拷)锟斤拷锟紽(xi锟斤拷n)锟絜(cu锟斤拷)锟絗锟斤拷

锟斤拷锟斤拷17.锟斤拷視锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷(y锟斤拷ng)锟矫條锟斤拷

锟斤拷锟斤拷锟斤拷锟矫伙拷锟斤拷锟斤拷锟斤拷式a+b≥2ab锟皆硷拷變式ab≤a+b22锟斤拷锟襟函旓拷(sh锟斤拷)锟斤拷锟斤拷值锟絩(sh锟斤拷)锟斤拷锟斤拷(w锟斤拷)锟斤拷注锟斤拷a锟斤拷b锟斤拷锟斤拷锟斤拷(sh锟斤拷)(锟斤拷a锟斤拷b锟斤拷負(f锟斤拷))锟斤拷ab锟斤拷a+b锟斤拷锟斤拷之一锟斤拷(y锟斤拷ng)锟角讹拷值锟斤拷锟截別要注锟斤拷锟教�(h锟斤拷o)锟斤拷锟斤拷锟侥條锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷锟斤拷y=ax+bx(a锟斤拷b>0)锟侥猴拷锟斤拷(sh锟斤拷)锟斤拷锟节戯拷(y锟斤拷ng)锟矫伙拷锟斤拷锟斤拷锟斤拷式锟襟函旓拷(sh锟斤拷)锟斤拷值锟絩(sh锟斤拷)锟斤拷一锟斤拷要注锟斤拷ax锟斤拷bx锟侥凤拷號(h锟斤拷o)锟斤拷锟斤拷要锟絩(sh锟斤拷)要锟組(j锟斤拷n)锟叫凤拷锟�(l锟斤拷i)討論锟斤拷锟斤拷锟斤拷要注锟斤拷锟斤拷變锟斤拷x锟斤拷取值锟斤拷锟斤拷锟斤拷锟节此凤拷锟斤拷锟斤拷(n锟斤拷i)锟斤拷號(h锟斤拷o)锟杰凤拷取锟斤拷锟斤拷

锟斤拷锟斤拷18.锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟�(w锟斤拷n)锟絵

锟斤拷锟斤拷锟斤拷Q锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟�(w锟斤拷n)锟絵锟侥筹拷規(gu锟斤拷)锟斤拷锟角ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷(y锟斤拷ng)锟斤拷锟斤拷(sh锟斤拷)锟侥嗭拷锟絳(di锟斤拷o)锟斤拷锟斤拷锟�锟斤拷锟斤拷锟叫碉拷锟斤拷要锟斤拷锟斤拷锟叫旓拷(sh锟斤拷)锟轿結(ji锟斤拷)锟较凤拷锟斤拷變锟斤拷锟斤拷锟絰锟斤拷锟斤拷锟斤拷元锟斤拷锟斤拷通锟絕(gu锟斤拷)锟斤拷值锟絘(ch锟斤拷n)锟斤拷锟結(ji锟斤拷)論锟斤拷锟斤拷(y锟斤拷ng)注锟斤拷锟斤拷锟斤拷锟絚锟斤拷锟斤拷锟皆嗭拷(w锟斤拷n)锟絵锟侥區(q锟斤拷)锟絜锟斤拷锟界對(du锟斤拷)锟斤拷锟斤拷x∈[a锟斤拷b]锟斤拷锟斤拷f(x)≤g(x)锟斤拷锟斤拷锟斤拷锟斤拷f(x)-g(x)≤0锟侥猴拷锟斤拷锟斤拷锟�(w锟斤拷n)锟絵锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷锟斤拷x∈[a锟斤拷b]锟斤拷使f(x)≤g(x)锟斤拷锟斤拷锟斤拷锟絫锟斤拷锟斤拷锟斤拷詥锟�(w锟斤拷n)锟絵锟斤拷锟斤拷f(x)min≤g(x)max锟斤拷锟斤拷(y锟斤拷ng)锟截別注锟斤拷珊锟斤拷锟�(sh锟斤拷)锟叫碉拷锟斤拷锟街碉拷c锟斤拷小值锟斤拷锟絇(gu锟斤拷n)系锟斤拷

锟斤拷锟斤拷19.锟斤拷視锟斤拷視锟紻锟叫的岋拷(sh锟斤拷)锟斤拷虛锟斤拷

锟斤拷锟斤拷锟斤拷視锟紻锟角革拷锟斤拷(j锟斤拷)锟斤拷投影原锟斤拷锟組(j锟斤拷n)锟斤拷锟絃锟斤拷锟斤拷锟斤拷(y锟斤拷n)锟斤拷锟斤拷“锟絃(zh锟斤拷ng)锟斤拷(du锟斤拷)锟斤拷锟斤拷锟斤拷平锟絉锟斤拷锟斤拷锟斤拷锟�”锟斤拷規(gu锟斤拷)锟絫去锟斤拷(hu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟侥憋拷锟斤拷锟洁交锟斤拷锟斤拷锟斤拷慕锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟皆�锟街界線锟斤拷锟揭分界線锟酵匡拷視輪锟斤拷锟斤拷锟斤拷锟矫岋拷(sh锟斤拷)锟斤拷锟斤拷(hu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷見(ji锟斤拷n)锟斤拷輪锟斤拷锟斤拷锟斤拷虛锟斤拷锟斤拷(hu锟斤拷)锟斤拷锟斤拷锟紷一锟絚(di锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷

锟斤拷锟斤拷20.锟斤拷e锟絯锟絜計(j锟斤拷)锟斤拷锟紻(zhu锟斤拷n)锟斤拷锟斤拷锟絗锟斤拷

锟斤拷锟斤拷锟斤拷e锟斤拷锟絯锟絜锟斤拷計(j锟斤拷)锟斤拷锟斤拷锟揭�锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟侥伙拷锟紸(ch锟斤拷)知锟絉(sh锟斤拷)锟斤拷锟斤拷要锟矫碉拷一些锟斤拷要锟斤拷思锟诫方锟斤拷锟斤拷锟角高匡拷锟斤拷锟斤拷锟斤拷锟揭�锟絵锟斤拷.锟斤拷锟揭�锟届練锟斤拷锟斤拷锟斤拷锟铰幾種锟斤拷锟矫碉拷思锟诫方锟斤拷锟斤拷(1)還锟絖(t锟斤拷i)锟斤拷锟紽锟斤拷思锟诫：锟紷锟斤拷處锟斤拷锟絖(t锟斤拷i)锟絯锟絩(sh锟斤拷)锟斤拷锟矫碉拷思锟诫方锟斤拷锟斤拷(2)锟斤拷锟絘(b锟斤拷)锟斤拷锟斤拷锟斤拷規(gu锟斤拷)锟絫锟紻锟斤拷锟斤拷e锟斤拷缀锟斤拷w锟絯锟絜锟絩(sh锟斤拷)锟斤拷锟斤拷锟斤拷(3)锟饺積變锟絈锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷F锟斤拷锟斤拷锟斤拷一锟斤拷(g锟斤拷)锟芥都锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絚(di锟斤拷n)锟斤拷锟絗锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷F锟斤拷锟絯锟絜锟斤拷(4)锟斤拷锟芥法锟斤拷锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟斤拷锟紻(zhu锟斤拷n)锟絯锟斤拷锟絚锟斤拷锟紻(zhu锟斤拷n)锟絯锟斤拷锟絇(gu锟斤拷n)锟侥組锟较嗭拷(w锟斤拷n)锟絵锟斤拷锟斤拷锟斤拷(hu锟斤拷)锟斤拷锟絊锟斤拷锟斤拷锟組(j锟斤拷n)锟叫凤拷锟斤拷锟斤拷锟�锟斤拷