各个参与者设法使自己的牌达到总分21而不超过这个数值。扑克牌的分值取它们的面值。A 充当1分或11分（由玩家自己选择），其他花牌都是10分。-The various participants try to make their own brand of out of 21 but not exceeding this value. Poker score to take their nominal value. A act as 1 point or 11 points (selected by