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[ ] (8ֻ362)ħ(250)ܲ(1/2)(2)
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 ϣ(8ֻ362)ħ(250)ܲ(1/2)(2)

    ϣ(4)Ͼ(1/2)

    ϣ(1/2)(4)(1)Ͼ(1/2)(2)(1/5)

 
1 ϴøˮڼᱳбУ4׽͡1/2Ͼưȣ20ӡ


2 ܲȥƤа룬гɱƬħϴˮгɶΣ1/2ۺ3ˮˮá



3 ħܲˮ1ӣˮ


4 ȹ4ͣ1װdzڣǽʽɫ뼦ᷭɫٵжΡܲƬħͬ


5 1/2Ͼơ2͡1/5׺ۺ1ˮӸǴտС30ӡ



6 Ҹת𣬽ˮͣʢ



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    1֭Ҫֿ¹Ӧÿӽڣ𱬳ɫٵ֭ͬʱ¹֭ˮֻͻĽˣüɫȡ

2¹ǰӦڼϻӣʹζ

3ħ󼦳ṴǰӦȿ֭Ըɣٵˮͣóɲ֭Ũζѡ

4ħ󼦳Ѽ˽ͺ͵ζؼεζɲ˹̷ࡣ

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