׶ʲô - ٶȾ

1 Բ׶һԲ׶ռռĴСԲ׶һԲ׶ȵ׵ȸߵԲ1/3Բ׶v=1/3Բ׶Բ׶ĸ=1/3(sh)Բ׶=뾶뾶Բʦ=ТrrԲ׶v=1/3(Тrrh)sΪԲ׶ĵrΪ뾶hΪԲ׶ĸߣԲʽV=ShV=r^2hóԲ׶...


Բô - ٶȾ

hΪԲ׶ĸߣS=RʽΪVԲ׶=1/3Rh=1/33.141.5511.77ף2λС...


Բ׶ӦôƵ?

ȿµԲ׶ڽԲǽԲ׶߶һΪڽԲĸ(1/2)hڽԲĵ뾶(1/2)rڽԲ...


Բ׶Ⱥ͸ߵĹϵʲô?Ǹߵη...

ʽǿԿԲ׶ǵ뾶ȵƽ߶ȱȵĻˣԲ׶ĸ߶Ȼ뾶һһĹϵ...


ԲеĹʽ

Բ:V=߻V=1/2Բ׶:V=ߡ3Բ:S=ܳԲ:S=+2 ĸʾ:Բ: V=shԲ׶...


ռ伸ʽ׵,,Բ̨...

2Բ׶: :r+r[(h+r)ƽ] :rh/3 (rΪԲ׶Բ뾶,hΪ, 3 a-߳,s=6a ,v=a 4 a- ...


Բ׶֪ʶ

1. Բ׶ 壺Բ׶ָһԲ׶ռռĴС 㹫ʽԲ׶ڵԸߵ֮һߣԱΪԲ׶ȵ׵ȸߵԲ...


Բ׶ʽʲô?

Բ׶ʽǣԲ׶ĵ=ԲСrr򣨦 (d2(d2)Բ׶ֻһ棩Բ׶V=sh3Sǵ...


׶ʽ1/3ô?

ͼʾԲ׶ĵ뾶Ϊr, Ϊh, \piʾԲʣȻԲΪ\pi r^2h. DzԲ׶Ȼ͵...


Ĺʽʲô?

Բ׶=sסh3 ̨ʽ:v=[ s+(ss)+s]h3 Բ̨ʽ:v=(r+rr+r)hС3 ȱʽ=h(3r-h)3 ʽ:v=4r/3 ʽ:v=sh=sֱl (lΪⳤ,hΪ) ̨:v=s1+s2+(s1*s2)/3*h ע:v: