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=IF(LEN(A1)=0,"空",IF(LEN(A1)=15,"旧号",IF(LEN(A1)<>18,"位数不对",IF(CHOOSE(MOD(MID(A1,1,1)*7+MID(A1,2,1)*9+MID(A1,3,1)*10+MID(A1,4,1)*5+MID(A1,5,1)*8+MID(A1,6,1)*4+MID(A1,7,1)*2+MID(A1,8,1)*1+MID(A1,9,1)*6+MID(A1,10,1)*3+MID(A1,11,1)*7+MID(A1,12,1)*9+MID(A1,13,1)*10+MID(A1,14,1)*5+MID(A1,15,1)*8+MID(A1,16,1)*4+MID(A1,17,1)*2,11)+1,1,0,"X",9,8,7,6,5,4,3,2)=IF(ISNUMBER(RIGHT(A1,1)*1),RIGHT(A1,1)*1,"X"),"正确","错误")))) =IF(LEN(A1)=18,MID("10X98765432",MOD(SUMPRODUCT(MID(A1,ROW(INDIRECT("1:17")),1)*2^(18-ROW(INDIRECT("1:17")))),11)+1,1)=RIGHT(A1),IF(LEN(A1)=15,ISNUMBER(--TEXT(19&MID(A1,7,6),"#-00-00")))) |
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