hongda8 作品

棱锥展开图（Net of Pyramid）动态演示 by Tok Hong Da

2016-08-17 09:55

三角棱柱体积计算 by Tok Hong Da

2016-08-14 12:19

圆柱体的展开图与表面积 by Tok Hong Da

2016-08-21 22:49

梯形柱的表面展开图与表面积

2016-08-14 16:46

三棱柱的表面展开图与表面积 by Tok Hong Da

2016-08-14 13:15

长方体展开图 by Tok Hong Da

2016-08-14 00:30

圆柱体体积计算 by Tok Hong Da

2016-08-21 22:40