A.字母+數(shù)字B.列標(biāo)+行號(hào)C.數(shù)字+字母D.行號(hào)+列標(biāo)
A.英文逗號(hào)B.中文逗號(hào)C.英文單引號(hào)D.中文單引號(hào)
A.直接輸入2/3B.輸入2/3C.輸入02/3D.輸入’2/3