锟竭讹拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷锟睫ｏ拷锟斤拷锟斤拷式锟斤拷元知锟絉(sh锟斤拷)锟斤拷锟結(ji锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟紺锟斤拷
锟斤拷(l锟斤拷i)源锟斤拷锟絎(w锟斤拷ng)锟絡(lu锟斤拷)锟結源 2009-10-10 22:36:00
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷式锟斤拷锟紺锟斤拷
锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷式锟紺锟斤拷锟斤拷锟斤拷锟斤拷(j锟斤拷)
(2)锟斤拷锟斤拷式锟斤拷锟斤拷锟絴(zh锟斤拷)(锟斤拷)
(3)锟斤拷要锟斤拷锟斤拷式锟斤拷锟斤拷|a|≥0锟斤拷a2≥0锟斤拷(a锟斤拷b)2≥0(a锟斤拷b∈R)
锟斤拷a2锟斤拷b2≥2ab(a锟斤拷b∈R锟斤拷锟斤拷(d锟斤拷ng)锟揭僅锟斤拷(d锟斤拷ng)a=b锟絩(sh锟斤拷)取“=”號(h锟斤拷o))
锟斤拷锟斤拷2锟斤拷锟斤拷锟斤拷式锟斤拷锟紺锟斤拷锟斤拷锟斤拷
(1)锟斤拷锟絕锟斤拷锟斤拷要锟紺锟斤拷a锟斤拷b(a锟斤拷b)锟斤拷只要锟紺锟斤拷a锟斤拷b锟斤拷0(a锟斤拷b锟斤拷0)锟斤拷锟紷锟絅锟紺锟斤拷锟斤拷锟斤拷式锟侥凤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絕锟斤拷锟斤拷
锟矫憋拷锟絕锟斤拷锟紺锟斤拷锟斤拷锟斤拷式锟侥诧拷锟紼锟角ｏ拷锟斤拷锟斤拷——變锟斤拷——锟叫旓拷锟教�(h锟斤拷o)锟斤拷
(2)锟紺锟较凤拷锟斤拷锟斤拷锟斤拷知锟絣锟斤拷锟斤拷锟絣(f锟斤拷)锟斤拷锟斤拷锟斤拷(j锟斤拷)锟斤拷锟斤拷式锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟紺锟斤拷锟絕(gu锟斤拷)锟侥诧拷锟斤拷式锟斤拷锟狡岋拷(d锟斤拷o)锟斤拷锟斤拷要锟紺锟斤拷锟侥诧拷锟斤拷式锟斤拷锟斤拷锟斤拷锟紷锟絅锟紺锟斤拷锟斤拷锟斤拷式锟侥凤拷锟斤拷锟斤拷锟斤拷锟紺锟较凤拷锟斤拷
(3)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟紺锟侥诧拷锟斤拷式锟斤拷锟絣(f锟斤拷)锟斤拷锟金步凤拷锟斤拷使锟紷锟斤拷锟斤拷式锟斤拷锟斤拷锟侥筹拷謼l锟斤拷锟斤拷直锟斤拷锟斤拷锟斤拷l锟斤拷锟斤拷锟叫旓拷锟斤拷锟斤拷锟絖锟絩(sh锟斤拷)锟斤拷锟侥讹拷锟洁定原锟斤拷锟斤拷式锟斤拷锟斤拷锟斤拷锟紷锟絅锟紺锟斤拷锟斤拷锟斤拷式锟侥凤拷锟斤拷锟斤拷锟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式锟斤拷锟斤拷锟斤拷锟斤拷锟絅锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷還锟叫凤拷锟紺锟斤拷锟斤拷锟斤拷(sh锟斤拷)锟絎(xu锟斤拷)锟絯锟絳锟斤拷锟饺ｏ拷
锟斤拷锟絇(gu锟斤拷n)锟斤拷锟絔
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- 锟斤拷一锟絭史锟斤拷锟斤拷1锟斤拷一锟斤拷元锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟結(ji锟斤拷)锟斤拷4锟絥锟斤拷
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- 锟斤拷一锟絭史锟斤拷锟斤拷1锟斤拷一锟斤拷元锟斤拷(f锟斤拷)锟斤拷(x锟斤拷)锟斤拷锟結(ji锟斤拷)锟斤拷2锟絥锟斤拷
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- 锟斤拷一锟斤拷锟斤拷锟斤拷锟�1锟节讹拷锟斤拷元知锟絉(sh锟斤拷)锟絚(di锟斤拷n)锟斤拷锟結(ji锟斤拷)
- 锟斤拷一锟斤拷锟斤拷锟斤拷锟�1锟斤拷一锟斤拷锟斤拷锟斤拷元知锟絉(sh锟斤拷)锟絚(di锟斤拷n)锟斤拷锟結(ji锟斤拷)
- 锟斤拷一锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷膯锟皆拷R(sh锟斤拷)锟絚(di锟斤拷n)锟斤拷锟結(ji锟斤拷)
- 锟竭讹拷锟絑(y锟斤拷)锟斤拷試锟斤拷锟斤拷锟斤拷锟叫學(xu锟斤拷)锟竭讹拷锟斤拷(j锟斤拷)锟斤拷锟斤拷锟斤拷锟藉）
- 锟竭讹拷锟絑(y锟斤拷)锟斤拷試锟斤拷锟斤拷锟斤拷锟叫學(xu锟斤拷)锟竭讹拷锟斤拷(j锟斤拷)锟斤拷锟斤拷锟斤拷锟藉）
锟竭匡拷院校锟斤拷(k锟斤拷)锟斤拷锟斤拷锟斤拷W(xu锟斤拷)锟斤拷锟絰锟斤拷锟絀(y锟斤拷)锟斤拷一锟斤拷锟斤拷位锟�锟斤拷锟�
锟斤拷校锟斤拷?j锟斤拷n)?sh锟斤拷)锟斤拷
锟斤拷锟絀(y锟斤拷)锟斤拷?j锟斤拷n)?sh锟斤拷)锟斤拷
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