Amḍan

Imḍanen d tiɣawsiwin n tusnakt.

• Ṣṣenf ittuseqdacen aṭas d imḍanen ${\displaystyle \mathbb {N} \,}$  : 0, 1, 2, 3 atg.
• Asmi yella yimḍanen ibawen (négatifs) am -1, -2 atg, nesɛa imḍanen ${\displaystyle \mathbb {Z} \,}$ .
• Imḍanen ${\displaystyle \mathbb {Q} }$  am : 2/3, 4/5 atg.
• Imḍanen ${\displaystyle \mathbb {R} \,}$  am : ${\displaystyle {\sqrt {2}}}$ , ln(5) etc.
• Imḍanen ${\displaystyle \mathbb {C} \,}$  am : 2i+3, 3i etc.

${\displaystyle \mathbb {N} \subset \mathbb {Z} \subset \mathbb {D} \subset \mathbb {Q} \subset \mathbb {R} \subset \mathbb {C} }$