0-9这十个数字中任取4位组成4位数字共有多少种排列法?能给列出来吗...答:不计0开头,不重复,共有4536种,字数限制,只列出前1000种 1023,1024,1025,1026,1027,1028,1029,1032,1034,1035,1036,1037,1038,1039,1042,1043,1045,1046,1047,1048,1049,1052,1053,1054,1056,1057,1058,1059,1062,1063,1064,1065,1067,1068,1069,1072,1073,1074,1075,1076,1078,1079,1082,...
将一个单元格中不重复数字的数字提取出来,组成新数字答:若第一位数不为"0"B1=SUM(IFERROR(MID(A1,LARGE(IFERROR(FIND(ROW($1:$10)-1,A1),0),ROW($1:$10)),1),0)*10^ROW($1:$10))/10 若第一位数可能为"0"B1=MID(SUM(MID(A1&1/19,SMALL(FIND(ROW($1:$10)-1,A1&1/19),ROW($1:$10)),1)/10^ROW($1:$10)),3,COUNT(...