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A1=1,B1=AA1=2,B1=BA1=3,B1=CA1=4,BA=DA1=5,B1=E麻烦回答

题目详情
A1=1,B1=A A1=2,B1=B A1=3,B1=C A1=4,BA=D A1=5,B1=E 麻烦回答
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答案和解析
=if(a1=1,"A",if(a1=2,"B",if(a1=3,"C",if(a1=4,"D",if(a1=5,"E")))))