ᱵᱷᱮᱜᱮᱫ
ᱵᱷᱮᱜᱮᱫ (ᱤᱝᱞᱤᱥ: Subtraction) (ᱵᱷᱮᱜᱮᱫ ᱨᱮᱭᱟᱜ ᱪᱤᱱᱦᱟᱹ ᱫᱚ "−") ᱫᱚ ᱵᱟᱨᱭᱟ ᱮᱞᱠᱷᱟ ᱢᱩᱫᱽ ᱨᱮ ᱵᱷᱮᱯᱮᱫ ᱧᱟᱢ ᱨᱮᱭᱟᱜ ᱢᱤᱫ ᱮᱞᱠᱷᱟ ᱯᱟᱱᱛᱷᱟ ᱠᱟᱱᱟ ᱾ ᱢᱮᱱ ᱜᱟᱱᱚᱜᱼᱟ "ᱢᱤᱫ ᱢᱟᱨᱟᱝ ᱞᱮᱠᱷᱟ ᱠᱷᱚᱱ ᱢᱤᱫ ᱦᱩᱰᱤᱝ ᱞᱮᱠᱷᱟ ᱵᱷᱮᱜᱟᱨ ᱚᱪᱚ ᱠᱟᱛᱮ ᱥᱚᱨᱚᱠ ᱧᱟᱢ ᱛᱩᱫᱽ ᱨᱮᱭᱟᱜ ᱮᱞᱠᱷᱟ ᱜᱮ ᱵᱷᱮᱜᱮᱫ ᱵᱚ ᱢᱮᱛᱟᱜ ᱠᱟᱱᱟ" ᱾ ᱚᱠᱟ ᱞᱮᱠᱷᱟ ᱠᱷᱚᱱ ᱵᱷᱮᱜᱮᱫᱚᱜᱼᱟ ᱚᱱᱟ ᱫᱚ ᱯᱩᱸᱡᱤ ᱞᱮᱠᱷᱟ ᱵᱚ ᱢᱮᱛᱟᱜ ᱠᱟᱱᱟ ᱾ ᱟᱨ ᱵᱷᱮᱜᱮᱫ ᱠᱷᱚᱡᱚᱜ ᱯᱩᱸᱡᱤ ᱞᱮᱠᱷᱟ ᱫᱚ ᱪᱮᱛᱟᱱ ᱨᱮ ᱛᱟᱦᱮᱱᱟ ᱾ ᱦᱮᱣᱟ : ᱗-᱒=᱕ ᱾ (ᱢᱮᱱᱫᱚ ᱮᱭᱟᱭ ᱠᱷᱚᱱ ᱵᱟᱨ ᱵᱷᱮᱜᱟᱨ ᱚᱪᱚ ᱞᱮᱠᱷᱟᱱ ᱢᱚᱬᱮ ᱦᱩᱭᱩᱜᱼᱟ ᱾
ᱫᱷᱚᱨᱚᱢ
ᱥᱟᱯᱲᱟᱣ- a - 0 = a
- 0 - a = -a
- (-(-a))=a
ᱧᱮᱞᱚᱜ ᱠᱟᱱᱟ ᱡᱮ, ᱵᱷᱮᱜᱮᱫ operation ᱞᱟᱹᱜᱤᱫ ᱪᱮᱫ Identity element ᱵᱟᱹᱱᱩᱜᱼᱟ।