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การบวกจำนวนนับไม่เกิน 20
Author:
creative
GeoGebra
New Resources
Thin Slice: Using Trig Ratios to Solve for R.Triangle Sides
Is it Isosceles?
Woven
Wallace-Simson Line, Orthopole, and Deltoid
Thin Slice: Using Trig Ratios to Solve for Sides of Right Triangles
Discover Resources
Supplementary-Angles
blahh
Opdracht 63
im.g.1.13.2.Turning on a Grid
Regular Polygon
Discover Topics
Power Functions
Arithmetic Operations
Pythagoras or Pythagorean Theorem
Ratios
Addition