【評論主題】38、王老師發現小明都以「將分母直接相乘」的「通分」策略進行「異分母分數加減法」的計算。以下是四道關於「異分母分數加減法」的布題： 請問，哪一道問題最適合提供給小明感受學習「找到兩分母的公倍數」「通分

【評論內容】甲、乙選項皆是前項直接擴分為分母與後項相...

【評論主題】38、王老師發現小明都以「將分母直接相乘」的「通分」策略進行「異分母分數加減法」的計算。以下是四道關於「異分母分數加減法」的布題： 請問，哪一道問題最適合提供給小明感受學習「找到兩分母的公倍數」「通分

【評論內容】甲、乙選項皆是前項直接擴分為分母與後項相...

【評論主題】【題組】3. Which is NOT true?(A) John is a student. (B) John’s grandfather is a good cook. (C) John’s fa

【評論內容】Hi, my name is John. I am a student. Look at this picture. The woman is my mother. She’s a teacher. The man is my father. He is a nurse. The girl is my sister. She’s a nurse, too. My grandfather, Fred, is not in the picture. He is a very good cook in my family.