大括号用于数组公式中的选择性文本,:=SUM(COUNTIF(A:A,{">=5",">=10"}))==SUM(COUNTIF(A:A,">=5"))-SUM(COUNTIF(A:A,">=10")) 还有一种是公式前后的,是按了CTRL+SHIFT+ENTER生成数组后自动生成的 {=SUM(COUNTIF(A:A,{">=5",">=10"})*{1,-1})}
