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การบวกลบจำนวนเต็มบวกกับจำนวนเต็มลบ
Author:
Sawanya Torahan
GeoGebra
New Resources
Maths & Tangram
Cube Area
Making a heart with maths
Tetrahedrons
Starting GeoGebra: Quick Reference
Discover Resources
Viviani's Theorem
Euler Center
MCV4U
Hole 4
sqrt(a+b)
Discover Topics
Logic
Vectors 2D (Two-Dimensional)
Line Segment
General Quadrilateral
Subtraction