聞外國教小朋友算術是重「明白」，輕「算法」。
比如計算
1000 – 798
不是教甚麼「直式」、「借位」，而是：
所以，1000 – 798 是 202。
這樣做，其實是否另一種算法？小朋友會明白些嗎？
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