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(1) ţ(yng)ȫϢ@_ֽ^(du)oţͨL(fng)ãƽ ֹ̹oܛ(yn)ؕr(sh)ɹל末ȡ(2) ppKؓ(f)(dn)ͺy(j)ţw|(zh)m(dng)Ѫһ ηѪ1 ?2 000So}ע20%?25%
Һ500? 1 000мӾS؉0.5ÿ2ΣBm(x)(sh)ԸļI(yng)B(yng) (3) So(h)KC(j)ܣmr(sh)(qing)a(b)Һ20%c15?20 XƄע
SƄ
S2?5˻20?50 (ni)(4) (du)Yί
ˮ[ppѪ˥ߕr(sh)ݔѪݔ Һȴʩ֮ɲ
IIƤ|(zh)M(jn)ίm(dng)(yng)Ï(qing)Ą
(do):
B(yng)ţYӍ B(yng)ţg(sh) ţr(ji) B(yng) B(yng)ţ