2019-06-11 10:31 O̽W(wng) СӡҪme
ӋijĿ?j)Ȳ֪۬Fʞ10%r(sh)Fֵ600f(wn)Ԫ;۬Fʞ14%r(sh)Fֵ-400f(wn)ԪtԓĿ?j)Ȳʞ?)
A.12%
B.11%
C.12.4%
D.13.4%
1W(wng)ע(li)ԴO̽W(wng)ƷٽO̽W(wng)δ(jng)W(wng)ڙDd朽DNʽʹѽ(jng)W(wng)ڙڙʹұע(li)ԴO̽W(wng)`W(wng)䷨؟
2W(wng)YϞW(wng)ѼDdMߺͳ̎ڱW(wng)dƷ漰Ȇ(wn)}ՈcW(wng)վ(lin)ϵW(wng)վˌ(sh)_J(hu )M̎
W(wng)Dd֮Ʒζ(zh)JͬԓƷ^(gun)c(din)挍(sh)ýwW(wng)վ(g)DdʹՈc(zh)(lin)ϵؓ؟
3W(wng)վgӭeOͶ