lnxxnchzyl 发表于 2009-9-24 10:36:57

关于COUNTIF

COUNTIF函数只能有一个条件,如大于90,为=COUNTIF(A1:A10,">=90")
介于80与90之间需用减,为 =COUNTIF(A1:A10,">80")-COUNTIF(A1:A10,">90")
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