判断单双的公式是:=IF(ISODD(A1),"单","双")=IF(ISEVEN(A1),"双","单")=IF(MOD(A1,2)=0,"双","单")判断大小的公式是:=IF(A14,"大","小")判断质数合数的公式是:=IF(AND(INT(A1)=A1,A1>1),IF(SUMPRODUCT((MOD(A1,ROW($1:$9999))=0)*1)>2,"合数","质数"),"")但按你的要求,公式应该改为如下:=IF(SUMPRODUCT((MOD(A1,ROW($1:$9999))=0)*1)>2,"合数","质数") 以上公式,你想在哪个单元格出结果,...
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