7769加减乘除算到到24

24点游戏结果大全_百度文库 五.4个中有一对AABC：C（1,9）*C（2,8）=9*8*7/2=252 209种有解,43种 无解 . 无解的有： 1123,1124,1125,1159,1167,1178,1179,1189,2213,2279,3324,3358,4459,4467,5513,5517,5518,5526,5569,5579,6617,6678,7715,7716,7718,7726,7729,7735,7749,7