问:如何统计下表中A对应的3出现多少次,2出现多少次,B对应4出现多少次.

分析:多条件计数或求和可以用sumifs或countifs函数,但本题中需要分类统计,即要统计A,又要统B..这种情况建议用数据透视表来完成。
代码如下:
Sub Macro1()
Dim arr, brr(), rng As Range
Dim lr As Long, i As Long, m As Integer
lr = Range("a65536").End(xlUp).Row
ReDim brr(1 To lr + 1)
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