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ęn>GRE(sh)W}Y(ji)

GRE(sh)W}Y(ji)

rg2024-07-25 17:50:47

GRE(sh)W}Y(ji)

GRE(sh)W}Y(ji)

GRE(sh)W}Y(ji)

GRE(sh)W}Y(ji)

1.AB¼ABͬrl(f)ęCʞ0.3AΪl(f)ęCʞ0.5l(f)BęCc0.5ȴС keyAl(f)ĸʞ0.5+0.3=0.8;=0.3=PP=0.8P P=0.3750.5

⣺AΪl(f)ęCʞ0.5ABͬrl(f)rAl(f)ĸʑԓǣAΪl(f)ABͬrl(f)֮ͼP=0.5+0.3=0.8

PP=PP=P/P=0.3/0.8=0.375

2.AF(xin)ĸ0.6  B F(xin) 0.8, A or b or both.F(xin)ĸc 0.92^С

⣺~P=1-0.6=0.4 ~P=1-0.8=0.2 ~ab=0.20.4=0.08 1-0.08=0.92

C.

3.320һŮĸ0.65@ȺŮжĔ(sh)100ȴС

⣺ֻһԴ}ĸ䌍ǰٷֱȣ

Ů˔(sh)320=96 100xB

4. 1100 xɂͬĔ(sh)߽Ԟ 6 ı(sh)ęC?

⣺100ﹲ6ı(sh)Ă(sh)100/6=164t16

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