Subtraction of Directed Numbers 有向數的減法

Author:現代中學數學 Modern Secondary Mathematics

Explore the rules of the subtraction of directed numbers by using a number line. (Bilingual version. Supports both English and Chinese.) 利用數線，探究有向數減法的計算法則。 (雙語版，支援中文和英文)

New Resources

Parallel lines, Transversals and Segments
Tangent Plane to a Sphere
AI for Math Teachers (prompt examples)
Cartesian Notation of a Vector
bewijs stelling van Pythagoras

Discover Resources

Ladder moment forces
Intersection Chords
Untitled
สมการเชิงเส้น
IMI MVP 6.3 Rosario Leyva

Discover Topics

Arithmetic Mean
Quadratic Equations
Rotation
Tangent Line or Tangent
Vectors 2D (Two-Dimensional)