O(jin)o(h)˵؟(z)һ
O(jin)o(h)˵؟(z)һ
1O(jin)o(h)˵؟(z)һ
AO(jin)o(h)ˌ(sh)ʩ·О
BO(jin)o(h)˲бO(jin)o(h)؟(z)ɱO(jin)o(h)pؔa(chn)pģ(yng)(dng)Г(dn)(yng)؟(z)
Co(h)O(jin)o(h)˵(qun)ؔa(chn)(qun)
Dܷɱo(h)ĺϷ(qun)
_𰸡ACD
𰸽O(jin)o(h)˵؟(z)ǴO(jin)o(h)ˌ(sh)ʩ·Оo(h)O(jin)o(h)˵(qun)ؔa(chn)(qun)ԼϷ(qun)O(jin)o(h)бO(jin)o(h)؟(z)a(chn)ę(qun)ܷɱo(h)x(xing)BDZO(jin)o(h)ˑ(yng)(dng)Г(dn)؟(z)
2O(jin)o(h)ؓ(f)Rrx(w)ĽMһ
AO(jin)o(h)סصľίT
BO(jin)o(h)סصĴίT
CO(jin)o(h)סصT
DֱӱO(jin)o(h)
_𰸡ABC
𰸽O(jin)o(h)ؓ(f)Rrx(w)ĽMDZO(jin)o(h)סصľίTίTTx(xing)DRrϽM
3ð
AԞF(xin)Ј(jng)(j)ṩһҎ(gu)tЈӵОҎ(gu)M(jn)Ј(jng)(j)İl(f)չ
BԞ˙(qun)ṩ
CԾSo(h)ƽx
DԴM(jn)
_𰸡ABCD
𰸽ϱ_
4P(gun)P(gun)(lin)ı_У
AP(gun)(lin)ǹ˾\(yn)н(jng)F(xin)Ķڰl(f)ƽY(ji)Ľ
BpP(gun)(lin)P(gun)ϵԹ(ji)s̘I(y)ՄеȷĽ׳ɱ\(yn)C̘I(y)ͬă(yu)Ȉ(zh)Ķ߽Ч
CP(gun)(lin)ȫֹ
DP(gun)(lin)\(yn)ϽM(jn)ĶпʹărʽڷǸėl³F(xin)rγɌɖ|ֹɖ|(qun)ַҲ(do)(qun)ܵp
_𰸡ABD
𰸽P(gun)(lin)ײȫֹģ@ӵһP(gun)(lin)P(gun)ϵȥpĕr˿ֱ@P(gun)(lin)؟(z)(yng)(dng)Г(dn)˵r؟(z)
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