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

Function art 3D - waiting shed (v2)
Right Triangle Inscribed in a Semicircle
Congruent Figures
Pythagorean Template: Integer Legs
Rovnoběžnost rovin

Discover Resources

Example 3
Costello_Charles_Perp_Bisector
kvadraticke_funkce
Copy an Angle
Hellingspercentage

Discover Topics

Prism
Right Triangles
Step Functions
Constructions
Secant Line or Secant