Ͻź
Ȧ
ʹܽз
Cách đọc kèo châu ÂuջίͷŵǡӾйͼʻһNԼʦ߱Ҫ˾ϡеġˮ֡жͬﶼǿĿ쳵רʵϾֻΥΪûа֤ԤԼ֤Ҫǰ֤ͱӪǽıҪ߳˾ûԸûаԤԼ֤ܲžЩԼʵǷʵʵδƽ̨˵̨ͷ˵ά״ȴܲϡŶʶ֧ݡȥй̨ƻŵλҲٵ˲μWHAǰ
ڴʱ25յ˸ͬѧֵٻһݷ½Ҳɷ
Mason)ϼһѧӢʦִ17ȥո÷ɭǰдϣڽ2·Уǹʧȥ˵ļ֮յѶ쵼ĩڰŵӵһ۵İ뵺ƽٴγϷתʰ뵺¹Ȼκһҵ˵ȫǰ֣طȡػᡱͳһָ֮ĿԽھСýϢɳǰ¼27ɳһӹԱ볯ʼﱸػᡱ
ʡ˵վµʷǼ᳹ϰƽͬ־Ϊĵĵ߲ʡί쵼ʵϰƽӲ켪ҪȫӰ˰=(˰۸+ڹ˰)(1-˰˰)˰˰ھIJҵ̨ýԮҵʿ˵½İ뵼ҵԴڲݴ綥⼼вࡱ