B(yng)õ(x)Tm(yng)СW(xu)W(xu)(x)ĵһP(gun)Ҫ
1.(x)T
W(xu)I(y)ͺñȼL깤һһN؟(z)ΡB(yng)õI(y)(x)T@÷dzҪhӷŌW(xu)ؼҺȺc(din)ˮc(din)ˮҪ_ʼͥI(y)I(y)ĕr(sh)ӑ(yng)Ϊ(d)һ(g)TĕԌW(xu)(x)Ҫ_ÿW(xu)(x)낀(g)Сr(sh)Ϣ10(dng)Ć}r(sh)LǧfҪRϽo𰸣Ҫ(sh)ڲ(hu)ȥҪB(yng)˼(x)TҪҪW(xu)(x)Ч
2. (x)T
(du)ӁfӰԒ fʮҪġ@ҪLcӽՄr(sh)ҪעԼfԒc ԒķʽoӘ䂀(g)ð
3.x(x)T
ƽr(sh)ώxI(y)һҪӴxLһJ(rn)
4.f(x)T
Lڽͺӵ·cČW(xu)Уrһ УıF(xin)呟ӵfԒԺԒ춨A(ch)