watermark logo

2019.11.12大A班冉皓宇~《数的守恒》

8 Views
皓宇 冉
4
Published on 12 Nov 2019 / In Education environment

大班冉皓宇

Show more
1 Comments sort Sort By

刘
6 years ago

宝贝很不错哟,数的守恒是指物体的数目不因物体外部特征(颜色、形状、大小等)和排列方式的改变而变化。看来你已经掌握了哟。^_^

   0    0
Show more
Facebook Comments