y l¨¤ k¨¨o bn ch c¨® th h¨°a tin cc vi nh¨¤ c¨¢i. loi k¨¨o t¨¤i xu h¨°a n¨¤y s khng c¨® thng cc hoc thua cc. C¨¢c trng hp xy ra s nh sau: T qu cn n v¨°ng khng? Kt qu ca mi lt chi ph thuc v¨¤o qun m¨¤ th¨¤nh vi¨ºn s hu. Nu bn ¨¢nh ra qun mnh hn i th th¨¬ s gi¨¤nh chin thng trong lt ¨® v¨¤ c¨® c hi tip tc tn cng lt k tip. Ngc li, nu tht bi, bn s phi i mt vi nhiu ri ro hn. V¨°ng quay gi¨¢ tr ln K¨¨o dng b¨ºn i di: thng s nhn c tin thng gp nhiu ln tin t cc, t¨ªnh theo t l t cc. Ghi nh kinh nghim nui d¨¤n 20 s bt bi t cao th S lc v b¨¤i Tin L¨ºn Bc 2: Chn v¨¢n cc, chn ca S dng k¨¨o chp ( tr¨¢i) S dng k¨¨o chp ( tr¨¢i) Mc Lc i vi k¨¨o t¨¤i xu n¨¤y, c¨¢ch chi ca k¨¨o t¨¤i xu b¨®ng ¨¢ l¨¤ g¨¬?

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