一班、二班、三班各有两人作为作文优胜者,六人站成一排照相。要求同班同学不站在一起,有多少不同的站法?(x1a4X1w5_'P/w+z,Y-H4g
算式:提示*{'p9@3c0o*^0F3e,y)d;w5x7D(x1a4X1w5_'P/w+z,Y-H4g
答:有-f5G;H'r(J+g4H-d.^8D-D3o)`7G9M不同的站法。(x1a4X1w5_'P/w+z,Y-H4g