i spend 40 fen on the first three minutes then 10 fen more on eac_英语解答

i spend 40 fen on the first three minutes then 10 fen more on each minute
翻译、要明确

人气：317 ℃　时间：2020-01-28 22:27:08

解答

最初三分钟我付了四角钱,之后每分钟增加一角钱.