A.="160/20" B.=160/20 C.160/20 D."160/20"
A.¥1.8 B.#VALUE C.¥1.80 D.0.00
A.25B.18C.11D.7
A.0 B.11 C.16 D.27
A.格式错误 B.分子值为字符 C.分母值为字符 D.分母值为0