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test1
Author:
cosin
New Resources
Flip 9 Coins
apec
Roll Dice
Balls in an Urn
探究長方形對角線上的正方形數目
Discover Resources
Phyllotaxis in flower seeds
An exploration of tilted squares
VLE_ve
Pre-Calculus
Parabola 3.4
A generalization of Droz-Farny line theorem
Discover Topics
Real Numbers
Median Line
Tangent Line or Tangent
Statistics
Upper and Lower Sum or Riemann Sum