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数学课上,老师首先让学生解答下面两道题:(1)一堆煤5/8吨,用去1/5后,还剩多少吨?(2)一堆煤5/8吨,用去1/5吨后,还剩多少吨?“老师,您出的这两道题是一样的!”豆豆说道。“不一样!第(1)题的‘1/5’是一个分率,第(2)题的‘1/5吨’表示一个具体的数量,它们所表示的意义完全不同,所以这两道题的解法也不相同。”聪聪认真地说。“聪聪讲得真好,这两道题应该怎样解答呢?”老师问道。
In math class, the teacher first asked the students to answer the following two questions: (1) How many tonnes of coal are left after using 1/8 of a pile of coal? (5) A pile of 5/8 tons of coal is used 1/5 tons, how many tons left? “” Teacher, you out of these two questions is the same! “Peas said. ”Not the same! ’1/5’ of item (1) is a fraction, and ’1/5 ton’ of item (2) means a specific amount and they mean completely different, so these two Road solution is not the same. “Cong Cong said seriously. ”Cong Cong stresses really good, these two questions should be how to answer it? " The teacher asked.