解法:設(shè)一杯水重x克,空瓶重y克,可得方程I:3xy440(克),方程II:5xy600(克)。根據(jù)等式一,找到y(tǒng)y4403xy,代入等式二5x4403x6002x60440x80x4400。1、yy560左耳的http://www.tudou.com/programs/view/hCp8NfDzvZw/求此鏈...歌名:youyayehayeaheyeahheahbayfellingmelovelingmelovebabby。???????????????????????????????????????...
更新時間:2024-02-02標(biāo)簽: yy440yy440yy440 全文閱讀