锟斤拷锟斤拷锟斤拷锟斤線锟斤拷y = ax *+ bx + c

锟斤拷锟斤拷锟斤拷锟斤拷y锟斤拷锟斤拷ax 锟斤拷平锟斤拷锟斤拷锟斤拷 bx锟劫硷拷锟斤拷 c

锟斤拷锟斤拷a > 0锟絩(sh锟斤拷)锟絖锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷a < 0锟絩(sh锟斤拷)锟絖锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷c = 0锟絩(sh锟斤拷)锟斤拷锟斤線锟斤拷(j锟斤拷ng)锟絕(gu锟斤拷)原锟絚(di锟斤拷n)

锟斤拷锟斤拷b = 0锟絩(sh锟斤拷)锟斤拷锟斤線锟斤拷(du锟斤拷)锟絈锟絊锟斤拷y锟絊

锟斤拷锟斤拷還锟斤拷锟斤拷c(di锟斤拷n)式y(t锟斤拷ng) = a(x+h)* + k

锟斤拷锟斤拷锟斤拷锟斤拷y锟斤拷锟斤拷a锟斤拷锟斤拷(x+h)锟斤拷平锟斤拷+k

锟斤拷锟斤拷-h锟斤拷锟斤拷c(di锟斤拷n)锟斤拷锟斤拷(bi锟斤拷o)锟斤拷x

锟斤拷锟斤拷k锟斤拷锟斤拷c(di锟斤拷n)锟斤拷锟斤拷(bi锟斤拷o)锟斤拷y

锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟街碉拷c锟斤拷小值

锟斤拷锟斤拷锟斤拷锟斤線锟斤拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷:y^2=2px

锟斤拷锟斤拷锟斤拷锟斤拷示锟斤拷锟斤線锟侥斤拷锟絚(di锟斤拷n)锟斤拷x锟斤拷锟斤拷锟斤拷锟絊锟斤拷,锟斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷(bi锟斤拷o)锟斤拷(p/2,0) 锟斤拷(zh锟斤拷n)锟斤拷锟斤拷锟教烇拷x=-p/2

锟斤拷锟斤拷锟斤拷锟节掞拷锟斤線锟侥斤拷锟絚(di锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷S,锟绞癸拷锟叫橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷y^2=2px y^2=-2px x^2=2py x^2=-2py

锟斤拷锟斤拷锟紸锟斤拷锟絯锟絜=4/3(pi)(r^3)

锟斤拷锟斤拷锟斤拷e=(pi)(r^2)

锟斤拷锟斤拷锟斤拷锟絃(zh锟斤拷ng)=2(pi)r

锟斤拷锟斤拷锟紸锟侥橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷 (x-a)2+(y-b)2=r2 注锟斤拷(a,b)锟角圓锟斤拷锟斤拷锟斤拷(bi锟斤拷o)

锟斤拷锟斤拷锟紸锟斤拷一锟姐方锟斤拷 x2+y2+Dx+Ey+F=0 注锟斤拷D2+E2-4F>0

锟斤拷锟斤拷(一)锟紼锟紸锟斤拷锟絃(zh锟斤拷ng)計(j锟斤拷)锟姐公式

锟斤拷锟斤拷锟紼锟紸锟斤拷锟絃(zh锟斤拷ng)锟斤拷式锟斤拷L=2πb+4(a-b)

锟斤拷锟斤拷锟紼锟紸锟斤拷锟絃(zh锟斤拷ng)锟斤拷锟斤拷锟斤拷锟紼锟紸锟斤拷锟斤拷锟絃(zh锟斤拷ng)锟斤拷锟斤拷該锟紼锟紸锟教帮拷锟絊锟絃(zh锟斤拷ng)锟斤拷霃斤拷膱A锟斤拷锟絃(zh锟斤拷ng)(2πb)锟斤拷锟斤拷锟侥憋拷锟斤拷該锟紼锟紸锟絃(zh锟斤拷ng)锟斤拷锟絊锟絃(zh锟斤拷ng)(a)锟絚锟教帮拷锟絊锟絃(zh锟斤拷ng)(b)锟侥差。

锟斤拷锟斤拷(锟斤拷)锟紼锟紸锟斤拷e計(j锟斤拷)锟姐公式

锟斤拷锟斤拷锟紼锟紸锟斤拷e锟斤拷式锟斤拷 S=πab

锟斤拷锟斤拷锟紼锟紸锟斤拷e锟斤拷锟斤拷锟斤拷锟紼锟紸锟斤拷锟斤拷e锟斤拷锟节圓锟斤拷锟斤拷(π)锟斤拷該锟紼锟紸锟絃(zh锟斤拷ng)锟斤拷锟絊锟絃(zh锟斤拷ng)(a)锟絚锟教帮拷锟絊锟絃(zh锟斤拷ng)(b)锟侥乘積锟斤拷

锟斤拷锟斤拷锟斤拷锟较橢锟紸锟斤拷锟絃(zh锟斤拷ng)锟斤拷锟斤拷e锟斤拷式锟斤拷锟絤然锟絔(m锟斤拷i)锟叫筹拷锟紽(xi锟斤拷n)锟紼锟紸锟斤拷锟斤拷T锟斤拷锟斤拷锟紷锟缴傦拷(g锟斤拷)锟斤拷式锟斤拷锟斤拷通锟絕(gu锟斤拷)锟紼锟紸锟斤拷锟斤拷T锟狡岋拷(d锟斤拷o)锟斤拷變锟斤拷锟斤拷(l锟斤拷i)锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟絯锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷

锟斤拷锟斤拷锟紼锟紸锟斤拷锟斤拷锟絯 锟絯锟絜計(j锟斤拷)锟姐公式锟紼锟紸 锟斤拷 锟絃(zh锟斤拷ng)锟诫徑*锟教半徑*PAI*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

锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟竭★拷锟斤拷前锟斤拷(zh锟斤拷n)锟斤拷锟斤拷志愿锟斤拷锟�(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)