1.2.1 有理数
1.2.1 有理数 基础题 知识点 有理数的概念及分类 知识提要：(1)正整数、0、负整数统称为整数；正分数、负分数统称为分数；整数和分数统称为有理数． (2)有理数可按正、负性质分类，也可按整数...
外研社2024七年级上unit 2选词填空59题较难
A. even B. tradition C. rarely D. well-known E. trainingQueen Elizabeth II had a real love for animals. Her favourite pets are corgis (柯基犬) and horses. As a _____1_____, corgis ...
