数学 · 数的表示与位值 · 6
您的孩子在 6 岁左右正在学习数学中的数的表示与位值内容,并逐步掌握相关知识与技能。
Your child is learning how numbers work by understanding place value — discovering that in two-digit numbers, each digit has a different value depending on whether it represents tens or ones.