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Fw: [問卦] 這個國小數學題是不是有點難
[ CS_TEACHER ]6 留言, 推噓總分: +2
作者: ukalm - 發表於 2015/01/09 14:43(9年前)
83FRohmer: 53.2-31.0=-27.8哪裡難了?01/09 12:36
118FRohmer: 減數有十分位,所以23.5-1.8=21.7是錯誤答案01/09 12:40
183FRohmer: 原來十分位是小數點下一位.....Orz 我只聽過四分衛01/09 12:51
278FRohmer: 老師給的解答錯了27.2-5=22.2 ; 22.2-0.5=21.701/09 13:06
308FRohmer: 老師的答案錯了,唯一對的人是錯的01/09 13:12
312FRohmer: 反之被老師改錯的人之中應該有算對的01/09 13:12
345FRohmer: 重點是老師也算錯了01/09 13:18
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