It takes me quite a long to figure out the answer. It seems the level is quite high. Is your kid studying in this school? Overall, how do you think of 陳守仁小學?作者: maggiejane 時間: 12-8-29 17:50
其實他們也像你用 trial and error 方式,假設 C 是1至9某數, 之後代入 C 逐個試, 得到 B 的數,如發覺不對就將 C 代入另一個數,直至找到正確答案。當然懂除數會計得快很多,但他們小一也只學到乘數。作者: alanwong238 時間: 12-8-30 15:54 標題: 引用:回復+alanwong238+的帖子
其實他們也像你