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การบวกจำนวนเต็มบวกกับจำนวนเต็มลบ
Author:
นายชัยรัตน์ แสนสุด
Discover Resources
Slope of the Line (modifications added)
test
Sum of Angles of Triangle
Exploring angle types
Tema03_probl_v3
New Resources
Leslie-Matrix
Triangle with given sides (SSS)
Isabelle Garand_equilateral triangle
Centres in a Triangle
Investigating Rotations
