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The Art of Problem Posing
作者:
Steve Phelps
"What if each attribute were not so; what could it be then?"
Brown & Walter, 2005
https://www.amazon.com/Art-Problem-Posing-Stephen-Brown/dp/0805849777
新资源
What Do You See? (2)
Untitled
Squares Question
Congruent Sides & Angles in △s: Exploration
Slope Illustrator (2)
发现资源
Demonstration trig transformations
Chords and Distance from the Center
Teorema Pythagoras 2 (slider)
coffee pot
发现主题
旋转
数列和级数
统计特征
几何
三维向量