H2CO3=_____+CO2补权化学式（配平,条件,上下箭头等）

gqelndjc2022-10-04 11:39:543条回答

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补权对话一空一词Li Lei:------------me,Tom.Do you have ------------er 补权对话一空一词 Li Lei:------------me,Tom.Do you have ------------eraser. Tom:Sorry.I---------. Li Lei:Do you think David----------one? Tom:I think ---------.You can ask ----------. Li Lei:David,may I have -------eraser,please? David:Sorry ,Lucy has -----------eraser. Li Lei:Excuse me.Luch.May I ------------Davidis eraser? Lucy:Certainly.Here you are .But you must give it back to him soon. Li Lei:OK.---------very much 不愿承诺别说爱我1年前1: yolandaxue 共回答了19个问题 | 采纳率100%

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