(A) =B2&”X”
(B) =REPLACE(“B2″,2,1,”X”)
(C) =MID(B2,1,1)&”X”
(D) =IF(B2>=10,MID(B2,1,1)&”X”,”X”)
答案:D
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(A) =B2&”X”
(B) =REPLACE(“B2″,2,1,”X”)
(C) =MID(B2,1,1)&”X”
(D) =IF(B2>=10,MID(B2,1,1)&”X”,”X”)
答案:D
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