Standard 2 · 数学 (Mathematics)
1000以内的加法和减法
二年級數學的加減法重點在於練習進位與退位技巧，許多同學常因為計算粗心而在處理跨十位數的運算時犯錯。只要多加練習不同類型的應用題並養成檢查算式的習慣，你就能在校內評估與考試中輕鬆拿滿分。
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