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1Χڣڱ֤ԼѡݷΧڣҪ 1  2 
2ÿγԸԼҪѡһ㶼ѡ 100  50 
3 1 Χڱ֤ 1 ķΧǼҪ 2 
4 2 Χڱ֤ 2 ķΧǼҪ 1 С
5ͣ 1  2ҪѡصӷӼϣ гСλȻԶ
6СλгСλȻԶ
7ʽкʽʽ֣ʽջ㣬 ʽ
8ʹǰΪʽΪʽѡ 2 ϿԸԶ
9ǷգΪ͵֣Ҫѡʾʽ Ͳ
10ʾҪʾѡǷղʾѡ ûйѡлʾѡΪЩ©ã