什么叫“没背过乘法口决表”?
要是中文的‘一一得一..." 才叫乘法口决表,那当然是没背过。
可人家不背,到时心算一步步推?
俺闺女小学3年级,都整天都在背:I ate (8) & ate (8) till I'm sick (6) on the floor (4).
他们没背过乘法口决表,照样能心算。?
本帖于 2009-03-18 09:31:05 时间, 由普通用户 淑女司令 编辑
什么叫“没背过乘法口决表”?
要是中文的‘一一得一..." 才叫乘法口决表,那当然是没背过。
可人家不背,到时心算一步步推?
俺闺女小学3年级,都整天都在背:I ate (8) & ate (8) till I'm sick (6) on the floor (4).
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