

ĵİʾ


˵˵򻯰ĳ

A 
B  Ծ
C 鿴
D ŵ
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Żһ(  K  L)Ҫ󲻸ߣ԰ؼİͿ

A  ϴԴ


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ͳһʽ


 ס         A+B+C

               +b+c

еߣ      KA      

裺            BKA

Ǭ     A

ն            A

Ԫϣ      LKA

Բ          BKB


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صؿ

15أ

ɳ򾻣2 8أ

˽䣨3أ

СŮ4ǹأ

գǹأ


ʽ  ҪԼĹؿܷ

Ѫ󷨣A(ҪѪ33%²ſԷ)

þ


ǬʮնA+C룬£

A CBA CBA CBA

ɳ򾻣AC AC AC B C C C

˽䣺BB CC AA C   A A A

СŮA A B B C C A B B B

գA B C A B C A B C A

ʱͬʱA+B+CԺ


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ԭУ
ֻһ


ɣ  L  K    A
ɣ   K K  A

þ360ҡҡ༸ȦͿ


ʽ򻯰һ


