AB114,9,3,1,7217,5,2,9,4,318,5,7,9414,1,3,8,9,7524,8,2621,2,7,8723,1,8,6826,3,4,9,2,5,8920,4,8,6,91038,3,4,7,21132,4,6,9,31241,8,2,5要求按组拆分每行的文字,再对组内各行求交集...isect(~(2).split@c()).concat@c()].pad(null,~.len()))",A1:B12)group(~(1))按第 1 列分组,split 拆分各组的第 2 列,isect 求交集