Maths is a very interesting subject.It is highly logical.We can answer some questions in many different ways .I have much fun working out the questions.
这些都不是理由,而是抄别人的固定说法。用英文讲理由必须具体。 Mathematics comes from a Greek word that means to know. Therefore, mathematics was created for a few people who would like to know more about this world. In an effor...