PMC 2014-15 Q8

Autor:Arthur Lee, Anthony OR 柯志明

The length and width of this picture are 8 cm and 6 cm. You can drag the red dot to enlarge or reduce the picture. (a) when its width is 3cm, what is its length? (b) when its width is 10 cm, what is its length?

Nous materials

球体的体积推导（优化版）
畫出對稱圖形
球體建築師
拼砌四邊形
四邉形 (四年級) 教師版

Descobriu materials

Clock
盾牌(小動畫)
网络资源使用说明
碎形六邊形的副本
两圆的位置关系

Descobriu Temes

Distribució
Funcions lineals
Con
Funcions trigonomètriques
Prisma