将A，B，C，D，E，F这6个变量排成如下图所示的三角形，这6个变量分别取[1，6]上的整数，且均不相等。求使三角形三条边上的变量之和相等的全部解-A, B, C, D, E, F 6 variables that are formed as shown in the triangle, six variables, respectively [1,6] integer, none of the same. Seeking to make the edge of the triangle three variables equal to the sum of all the solutions