Contact us
Choose a category below so we can get back to you as quickly as possible.
根據平移的方向,作出每一個圖形要點的平移點(如:直線的頂點,圓的圓心等)方法是通過原來圖形的點作平移方向的平行線,並取距離為平移的長度的點用三角板的話,第一塊三角板斜邊對齊平移方向;第二塊三角板斜邊貼住第…
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.