B(yng)õ(x)Tm(yng)СW(xu)W(xu)(x)ĵһP(gun)Ҫ
1.(x)T
W(xu)I(y)ͺñȼL(zhng)깤һһN؟(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(wn)}r(sh)L(zhng)ǧf(wn)ҪRϽo𰸣Ҫ(sh)ڲ(hu)ȥҪB(yng)˼(x)TҪҪW(xu)(x)Ч
2. (x)T
(du)Ӂ(li)f(shu)ӰԒ f(shu)ʮҪġ@ҪL(zhng)cӽՄr(sh)ҪעԼf(shu)Ԓc ԒķʽoӘ䂀(g)ðӡ
3.x(x)T
ƽr(sh)ώxI(y)һҪӴx(li)L(zhng)һJ(rn)
4.f(shu)(x)T
L(zhng)ڽͺӵ·cČW(xu)Уrһ(li) УıF(xin)(li)呟ӵf(shu)ԒԺԒ춨A(ch)