äºæ¯ç¬åå«ç¼å·12345,æ以æå顺åºå°±æ¯æåç»åä¸ç:5*4*3*2=120ç§
12345, 12354, 12435, 12453, 12534, 12543, 13245, 13254, 13425, 13452, 13524, 13542, 14235, 14253, 14325, 14352, 14523, 14532, 15234, 15243, 15324, 15342, 15423, 15432, 21345, 21354, 21435, 21453, 21534, 21543, 23145, 23154, 23415, 23451, 23514, 23541, 24135, 24153, 24315, 24351, 24513, 24531, 25134, 25143, 25314, 25342, 25413, 25431,
è¿éååºäº1å2å¼å¤´ç,å©ä¸ç3.4.5çåçå¯æ¨äº...
温馨提示:答案为网友推荐,仅供参考