锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)也锟角凤拷锟絵锟酵碉拷锟斤拷锟斤拷锟絵锟斤拷要锟街诧拷去锟斤拷锟斤拷每一锟斤拷锟斤拷锟斤拷锟斤拷省锟斤拷锟斤拷锟斤拷(xi锟斤拷)每一锟斤拷锟斤拷要锟叫癸拷式锟斤拷锟斤拷锟斤拷(j锟斤拷)锟斤拷锟斤拷锟斤拷锟角烇拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟叫旓拷(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷锟絚(di锟斤拷n)知锟絉(sh锟斤拷)锟絚(di锟斤拷n)全锟斤拷锟結(ji锟斤拷)锟斤拷希锟斤拷锟斤拷(du锟斤拷)锟姐們锟叫庯拷锟斤拷!

锟斤拷锟斤拷1锟斤拷锟叫旓拷(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷锟絚(di锟斤拷n)知锟絉(sh锟斤拷)锟絚(di锟斤拷n)全锟斤拷锟結(ji锟斤拷)

锟斤拷锟斤拷1锟斤拷锟斤拷锟絵锟斤拷锟侥種锟斤拷式锟斤拷锟斤拷锟洁互锟絇(gu锟斤拷n)系锟斤拷什么?

锟斤拷锟斤拷(锟斤拷锟斤拷锟斤拷锟斤拷P(gu锟斤拷n)系锟斤拷锟斤拷锟絵锟角等價(ji锟斤拷)锟斤拷锟絵锟斤拷)

锟斤拷锟斤拷原锟斤拷锟絵锟絚锟斤拷锟斤拷锟斤拷}同锟斤拷锟斤拷同锟斤拷;锟斤拷锟斤拷锟絵锟絚锟斤拷锟斤拷锟絵同锟斤拷同锟斤拷锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷(du锟斤拷)映锟斤拷母锟斤拷锟斤拷私锟斤拷?映锟斤拷f锟斤拷A→B锟斤拷锟角凤拷注锟解到A锟斤拷元锟截碉拷锟斤拷锟斤拷锟皆猴拷B锟斤拷锟絚之锟斤拷(du锟斤拷)锟斤拷(y锟斤拷ng)元锟截碉拷唯一锟皆ｏ拷锟侥幾種锟斤拷(du锟斤拷)锟斤拷(y锟斤拷ng)锟杰橈拷(g锟斤拷u)锟斤拷映锟斤拷?

锟斤拷锟斤拷(一锟斤拷(du锟斤拷)一锟斤拷锟斤拷锟斤拷(du锟斤拷)一锟斤拷锟斤拷锟絊B锟斤拷锟斤拷元锟斤拷?z锟斤拷)o原锟斤拷锟斤拷)

锟斤拷锟斤拷3锟斤拷 锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷要锟斤拷锟斤拷什么?锟斤拷伪锟斤拷^锟缴傦拷(g锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟角凤拷锟斤拷同?

锟斤拷锟斤拷(锟斤拷锟絰锟斤拷锟斤拷锟斤拷(du锟斤拷)锟斤拷(y锟斤拷ng)锟斤拷锟絫锟斤拷值锟斤拷)

锟斤拷锟斤拷4锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟节的條锟斤拷锟斤拷什么?

锟斤拷锟斤拷(一一锟斤拷(du锟斤拷)锟斤拷(y锟斤拷ng)锟斤拷锟斤拷(sh锟斤拷))

锟斤拷锟斤拷锟襟反猴拷锟斤拷(sh锟斤拷)锟侥诧拷锟紼锟斤拷锟斤拷锟剿嗭拷?

锟斤拷锟斤拷(锟劫凤拷锟斤拷x;锟节伙拷锟絈x锟斤拷y;锟斤拷注锟斤拷锟斤拷锟絰锟斤拷)

锟斤拷锟斤拷5锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷些?

锟斤拷锟�锟斤拷倩锟斤拷榉达拷锟斤拷锟�(sh锟斤拷)锟侥圖锟斤拷锟絇(gu锟斤拷n)锟斤拷直锟斤拷y=x锟斤拷(du锟斤拷)锟絈(ch锟斤拷ng);

锟斤拷锟�锟斤拷诒锟斤拷锟斤拷锟皆�锟斤拷(l锟斤拷i)锟斤拷锟斤拷(sh锟斤拷)锟侥嗭拷锟絳(di锟斤拷o)锟斤拷锟斤拷锟芥函锟斤拷(sh锟斤拷)锟斤拷;

锟斤拷锟斤拷6锟斤拷 锟斤拷锟斤拷(sh锟斤拷)f(x)锟斤拷锟斤拷锟斤拷偶锟皆的憋拷要(锟角筹拷锟�)锟絣锟斤拷锟斤拷什么?

锟斤拷锟斤拷(f(x)锟斤拷锟絰锟斤拷锟絇(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2锟斤拷锟叫旓拷(sh锟斤拷)锟絎(xu锟斤拷)知锟絉(sh锟斤拷)锟絚(di锟斤拷n)锟斤拷锟結(ji锟斤拷)

锟斤拷锟斤拷1锟斤拷锟斤拷锟�(l锟斤拷i)锟角碉拷锟襟法ｏ拷

锟斤拷锟斤拷锟斤拷锟揭筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟侥斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟紺锟斤拷锟斤拷锟斤拷隙锟斤拷x锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷锟斤拷锟侥斤拷锟斤拷

锟斤拷锟斤拷锟斤拷計(j锟斤拷)锟斤拷锟叫�(锟斤拷直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揭讹拷锟斤拷)锟斤拷

锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷锟斤拷——锟斤拷锟斤拷锟斤拷锟斤拷锟竭咃拷蔚锟街憋拷锟斤拷锟�

锟斤拷锟斤拷锟斤拷锟斤拷锟紽——锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷邊锟轿ｏ拷锟斤拷c(di锟斤拷n)锟节碉拷锟斤拷锟斤拷锟接帮拷堑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紽锟斤拷計(j锟斤拷)锟姐集锟斤拷锟斤拷锟侥傦拷(g锟斤拷)直锟斤拷锟斤拷锟斤拷锟斤拷锟叫ｏ拷

锟斤拷锟斤拷3锟斤拷锟斤拷锟斤拷锟叫旓拷直锟斤拷l锟絚锟紸C锟斤拷位锟斤拷锟絇(gu锟斤拷n)系?

锟斤拷锟斤拷锟紸锟侥碉拷直锟斤拷锟侥撅拷锟絰锟絚锟紸锟侥半徑锟斤拷锟絕锟斤拷

锟斤拷锟斤拷直锟斤拷锟絚锟紸锟洁交锟絩(sh锟斤拷)锟斤拷注锟斤拷锟斤拷锟矫圓锟斤拷“锟斤拷锟斤拷锟斤拷锟斤拷”锟斤拷

锟斤拷锟斤拷4锟斤拷 锟斤拷(du锟斤拷)锟斤拷锟斤拷規(gu锟斤拷)锟斤拷锟斤拷(w锟斤拷n)锟絵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目锟斤拷(bi锟斤拷o)锟斤拷锟斤拷(sh锟斤拷)锟斤拷鼐锟斤拷直锟斤拷锟斤拷锟节匡拷锟斤拷锟斤拷锟�(n锟斤拷i)平锟斤拷直锟斤拷锟斤拷锟斤拷锟侥匡拷锟�(bi锟斤拷o)锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷值锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�!锟斤拷锟紸锟斤拷锟斤拷锟斤拷锟截學(xu锟斤拷)锟矫革拷锟叫旓拷(sh锟斤拷)锟絎(xu锟斤拷)锟侥凤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟紹(y锟斤拷ng)锟絛趣锟斤拷锟絇(gu锟斤拷n)锟絀锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷(du锟斤拷)锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)锟絘(ch锟斤拷n)锟斤拷锟斤拷锟絛趣锟斤拷锟斤拷然锟叫勶拷(d锟斤拷ng)锟斤拷去锟紷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷B(y锟斤拷ng)锟絛趣锟斤拷?

锟斤拷锟斤拷(1) 锟斤拷锟絧锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷缀螆D锟斤拷锟叫的岋拷(du锟斤拷)锟絈(ch锟斤拷ng)锟斤拷變锟絈前锟斤拷牟锟阶冿拷锟斤拷锟斤拷锟斤拷锟侥囷拷(y锟斤拷n)謹(j锟斤拷n)锟斤拷邏輯锟侥囷拷(y锟斤拷n)锟斤拷……

锟斤拷锟斤拷锟絜锟斤拷(g锟斤拷)锟斤拷锟接ｏ拷

锟斤拷锟斤拷通锟絕(gu锟斤拷)锟斤拷(du锟斤拷)锟斤拷锟紻(zhu锟斤拷n)變锟絈锟斤拷锟戒不變锟斤拷锟斤拷討論锟斤拷锟揭傦拷锟斤拷锟斤拷锟紺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(du锟斤拷)锟斤拷锟斤拷锟斤拷(sh锟斤拷)”锟侥圖锟斤拷锟斤拷锟絧锟斤拷锟斤拷——平锟斤拷锟较碉拷锟缴傦拷(g锟斤拷)锟斤拷锟絚(di锟斤拷n)锟侥撅拷锟絰之锟斤拷慕^锟斤拷(du锟斤拷)值锟介定值(小锟节兩傦拷(g锟斤拷)锟斤拷锟絚(di锟斤拷n)之锟絞锟侥撅拷锟絰)锟斤拷锟絚(di锟斤拷n)锟侥硷拷锟斤拷锟斤拷

锟斤拷锟斤拷(2)注锟解到锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)锟节岋拷(sh锟斤拷)锟紿锟斤拷锟斤拷锟叫的戯拷(y锟斤拷ng)锟矫★拷

锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷粘锟斤拷锟斤拷锟较⑾�锟斤拷锟絇(gu锟斤拷n)锟侥碉拷锟絶锟斤拷锟金、碉拷锟絶锟斤拷息锟缴種锟斤拷同锟斤拷還锟筋方式锟斤拷锟矫旓拷(sh锟斤拷)锟叫碉拷知锟絉(sh锟斤拷)锟酵匡拷锟斤拷锟斤拷锟斤拷.

锟斤拷锟斤拷锟絎(xu锟斤拷)锟矫旓拷(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷锟角現(xi锟斤拷n)锟斤拷锟斤拷锟斤拷幕锟斤拷锟斤拷锟斤拷B(y锟斤拷ng)之一锟斤拷.

锟斤拷锟斤拷(3)锟斤拷锟斤拷锟絗锟斤拷慕虒W(xu锟斤拷)锟街讹拷锟斤拷锟絚锟絩(sh锟斤拷)锟斤拷锟組(j锟斤拷n)锟斤拷

锟斤拷锟斤拷锟斤拷锟矫讹拷N锟斤拷锟絞(sh锟斤拷)锟街讹拷锟斤拷聲锟斤拷锟斤拷锟斤拷電讹拷锟斤拷R锟铰ｏ拷锟较庯拷锟斤拷锟皆斤拷税锟揭恍┲�锟絉(sh锟斤拷)锟絭锟矫革拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷也锟斤拷锟斤拷锟阶斤拷锟杰ｏ拷锟斤拷锟斤拷锟斤拷锟�锟斤拷

锟斤拷锟斤拷(4)锟絤锟斤拷(d锟斤拷ng)锟斤拷一些锟斤拷锟斤拷锟�(l锟斤拷i)锟侥曪拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟铰★拷

锟斤拷锟斤拷锟斤拷锟界：锟絎(xu锟斤拷)锟紸锟紽锟斤拷锟斤拷锟侥時(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟皆匡拷锟斤拷一些锟斤拷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平锟斤拷锟斤拷锟截筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟角革拷锟絅锟紸锟紽锟斤拷锟斤拷锟斤拷锟杰讹拷锟斤拷锟铰岋拷(du锟斤拷)锟剿讹拷锟叫斤拷B;還锟叫圓锟紽锟斤拷锟斤拷锟斤拷W(xu锟斤拷)锟斤拷锟絴(zh锟斤拷)锟侥戯拷(y锟斤拷ng)锟斤拷锟斤拷锟紷锟斤拷锟斤拷锟斤拷锟斤拷锟揭诧拷锟斤拷佟锟�

锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷(hu锟斤拷)锟斤拷锟斤拷試锟截匡拷知锟絉(sh锟斤拷)锟絚(di锟斤拷n)

锟斤拷锟斤拷锟斤拷锟斤拷直锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷e锟斤拷式锟斤拷S=a2/2锟斤拷S=ch/2=c2/4(锟斤拷锟斤拷a锟斤拷直锟斤拷邊锟斤拷c锟斤拷斜邊锟斤拷h锟斤拷斜邊锟较的革拷)锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷锟絆(sh锟斤拷)锟斤拷锟斤拷直锟斤拷锟斤拷锟斤拷锟轿冿拷锟斤拷锟街別锟斤拷a,b锟斤拷锟阶烇拷c锟斤拷锟絫锟缴碉拷锟斤拷锟斤拷e锟斤拷S=ab/2锟斤拷

锟斤拷锟斤拷锟斤拷锟缴碉拷锟斤拷直锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷知锟斤拷锟斤拷邊c锟较的革拷h(yu锟斤拷n)=c/2锟斤拷锟絫锟斤拷锟斤拷锟斤拷e锟缴憋拷示锟介：S=ch/2=c2/4锟斤拷

锟斤拷锟斤拷锟斤拷锟斤拷直锟斤拷锟斤拷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斤拷锟�锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟轿碉拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷(w锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷直锟斤拷邊锟斤拷锟街憋拷锟竭咃拷A一直锟斤拷锟絁锟斤拷45°锟斤拷斜邊锟斤拷锟叫撅拷锟斤拷平锟街撅拷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(sh锟斤拷):

锟斤拷锟斤拷(1)锟斤拷锟絰:

锟斤拷锟斤拷(2)锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟节凤拷锟斤拷锟斤拷(sh锟斤拷)锟侥條锟斤拷:

锟斤拷锟斤拷(3)锟斤拷锟介反锟斤拷锟斤拷(sh锟斤拷)锟侥讹拷锟絰锟斤拷锟絚值锟斤拷锟斤拷P(gu锟斤拷n)系:

锟斤拷锟斤拷(4)锟襟反猴拷锟斤拷(sh锟斤拷)锟侥诧拷锟紼:

锟斤拷锟�锟斤拷賹锟斤拷锟斤拷锟斤拷P(gu锟斤拷n)锟节的凤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷锟斤拷锟叫兩斤拷锟斤拷要注锟斤拷锟斤拷锟絰锟斤拷;

锟斤拷锟�锟斤拷趯锟斤拷锟斤拷Q锟斤拷锟斤拷;

锟斤拷锟�锟斤拷蹖锟�(xi锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟侥讹拷锟絰锟斤拷(锟斤拷锟斤拷值锟斤拷)锟斤拷

锟斤拷锟斤拷(5)锟斤拷锟介反锟斤拷锟斤拷(sh锟斤拷)锟侥圖锟斤拷锟絞锟斤拷锟絇(gu锟斤拷n)系:

锟斤拷锟斤拷(6)原锟斤拷锟斤拷(sh锟斤拷)锟絚锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷同锟侥嗭拷锟絳(di锟斤拷o)锟斤拷;

锟斤拷锟斤拷(7)原锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟芥函锟斤拷(sh锟斤拷)锟斤拷锟絫锟戒反锟斤拷锟斤拷(sh锟斤拷)锟皆烇拷锟芥函锟斤拷(sh锟斤拷);原锟斤拷锟斤拷(sh锟斤拷)锟斤拷偶锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟节凤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷

锟斤拷锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔锟斤拷

锟斤拷锟斤拷锟竭匡拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)知锟絉(sh锟斤拷)锟絚(di锟斤拷n)锟絉锟斤拷

锟斤拷锟斤拷锟竭匡拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)平锟斤拷锟斤拷锟斤拷知锟絉(sh锟斤拷)锟絚(di锟斤拷n)

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斤拷(zh锟斤拷n)锟戒、志愿锟斤拷锟�(b锟斤拷o)锟斤拷锟饺★拷锟�?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷

锟竭匡拷锟絩(sh锟斤拷)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(di锟斤拷n)

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(h锟斤拷o)