Oh a triangulator machine! Very cool! Right, there are four different types of triangle. First, here's an isosceles triangle, it has two equal length sides and two equal angles. Oh! Very clever!
Oh a triangulator machine! Very cool! Right, there are four different types of triangle. First, here's an isosceles triangle, it has two equal length sides and two equal angles. Oh! Very clever!
当前正在显示可能无法访问的结果。
隐藏无法访问的结果
反馈