其内容涉及记数法、进位制、分数概念、计算工具、算术和几何等内容。

Its main contents include: numeration, conception of fraction, calculating utensils, arithmetic and geometry.

youdao

其内容涉及记数法、进位制、分数概念、计算工具、算术和几何等内容。

Its main contents include: numeration, conception of fraction, calculating utensils, arithmetic and geometry.

youdao