My First Book Of Numbers

A delightful introduction to the numbers from 1 to 20 for the very young 这是一个关于1到20这个数字的有趣介绍 The bright and attractive pictures will appeal to children and the simple layout of the final pages will enable them to grasp the basic ideas of addition and subtraction without difficulty. 明亮而有吸引力的图片会吸引孩子，简单的一页的布局会让他们毫不费力地掌握加减法的基本思想。