Available on Google PlayApp Store
数学が嫌いなんです正八面体の展開図

Share

Trends

trends timeline
trends timeline for %E4%B8%AD%E5%BF%83%E3%81%A4%E3%81%8D%E5%85%AB%E9%9D%A2%E4%BD%93%E6%95%B0%20-%20Centered%20octahedral%20number