PRODUCTS
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Rectangular coordinate blackboard
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Explore the position relation material of the circle
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Explore the geometric operation materials
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Explore materials for the formation of rotating geometrylower grades
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Angle demonstration model
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Paper cutter
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Teacher - Graphic calculator
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Conic section model
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Student- Graphic calculator
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Concave-convex digital version model
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Cycloid formation model
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Multiplication chessboard