ھʮ:ŭ(1/2)(y)
SʯTc(din)ЩtɫҺwͬ_ˮһㄡҵķv(li)Թѽ(jng)ֹͣվԭصتz֮Tȫc(din)
ҺʬmpKҵ˙C(j)(hu)˼mpʬȻұ(li)
ļҪ@pɺܶ^(gu)Ȼ߀ۿتz֮Tc(din)Ҋѽ(jng)(li)
ֻñ˹ҵʬȻŏǂ(g)˳(li)تz֮TKڱc(din)
@韩ˡ
Ҋ҇@һTc(din)Թ^һһp۾¶
DŽߵİB(ti)تz֮Tȫc(din)ܵļtɫҺwKڷL_(li)ɢl(f)һꇟتz֮TЩ̳(li)ļy·ԭ(li)һllȥС
tɫҺwv_ʼȥٶȺܿЩҺwռy·Mتz֮TTԹͻȻȥpֳǰwͶ֮ٴZ(y)֮~һ(g)(g)[
߀ϲ
_چ(wn)
˵һ߅ȥ(li)ˡ
ҵһ҂˳(li)Щʬ벢]ρ(li)΄(w)DZo(h)Թɼنȫ˻صتz֮T(li)
Թm(x)Z(y)ϵتz֮TļtɫҺwҲw(dng)
ȵij(g)ٶȣsͻȻͣ(li)ϵҺwȻ_@r(sh)TϵļtɫҺwȻTÓx_ȻTЅRȥ
ʲô]ȫпՠB(ti)ЩҺw^(gu)ȥͬЖ|һɢһӱļt
ȼtγɺҺwɫ_ʼ׃ֱص׃?yu)˺ɫڵͬһ(g)ĺڶ˿˃(ni)ֱuƤ
@һγɺԹվ(li)(du)҂¶һĨ̵Ц
Ҋʾ?c)ˣǼһǸһنɹ?br/>
ȻҺͻȻںһ
gDr(sh)L(fng)L(fng)(yng)ԓǏTд?yn)ꎚܴ˺ëֱL(fng)تz֮TTЂ(li)˻Tб֮گĒҪTӳ
Թ Щl(f)ďҲS(li)һжɹTВÓ(li)
߀ڳm(x)˸X(li)҂ Ķᵽɤ
ֱһ(g)^BT̽˳(li)dzªϪbı҂һ
@⡱
_ڵZ(y)أǼһﲻСʮTռһ
(zhn)Ҫ(li)ˡ
Ҽæ
ǼһĿy(c)(yng)ԓÓ(li)Ҫ˶Ԝ(zhn)÷Ҫ֮
m(x)TВĕr(sh)g߀Ҫࡣ
v˺þ]г(li)ҊҲɵɻf(wn)TһĘĆ(wn)̖(ho)
ԹƺҲX˲(du)æ^(gu)^ȥһ
ԓゃ(du)تz֮Tɶ
҃HHһۣDr(sh)һĘŭij҂
̝㮔(dng)ꅢ˼y]l(f)F(xin)
ھʮ:ŭ(1/2)(y),c(din)һ(y)^m(x)x