判断出現组数 (11057)


C2{=COUNT(0/MMULT(1-ISERR(0/(FIND(MID(TRIM(MID(SUBSTITUTE(B2,"-",REPT(" ",99)),ROW($1:$19)*99-98,99)),{1,2},1),"@"&A2)>1)),{1;1}))


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