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ţNĸţţQţ 1)612gAҪṩI(yng)B(yng)ֱ횾һݷeԴ̼ǰθL(zhng)o胞(yu)|(zh)ĸɲݺ߀a(b)侫ϱsռ|(zh)30%40%ɹţL(zhng)ĸҪI(yng)B(yng)|(zh)^a(b)ҪЩֵ|(zh)12%Ҟˡ 2)1218gAռZ(yng)ϞsռռZ|(zh)75%25%龫a(b)͵|(zh)IJ㡣 3)1824gAΑ(yng)ԃ(yu)|(zh)ɲݡݻAϞιιڣt회(du)a(b)侫ն~23ǧ
(do):
B(yng)ţYӍ B(yng)ţg(sh) ţr(ji) B(yng) B(yng)ţ(wn)