西元年 改成小學或初中年级 (15358)

B2:D2 下拉=CHOOSE(COLUMN(A1),LEFT(A2,2),MID("一二三四五六",YEAR(NOW())-MID($A2,3,4)+1,1)&"年级",RIGHT($A2,LEN($A2)-7))

I2=F2&YEAR(NOW())-FIND(LEFT(G2),"一二三四五六")+1&"级"&H2