Afellus n Tesḍutt
Tamaquett-a tettawi-d tagnit ad twaliḍ afellus n tesḍutt. Beddel tiddi n yiri-s teẓreḍ amek ara yettbeddil ufellus.
Ldi aɣbaluIsteqsiyen ɣef uskel-a 3D
Amek ara tesḥesbeḍ ammud n yiwen umkuz?
Ammud d uzgen n lḥerf yettwaḍuf s tlata: V = a × a × a = a³. Ma yella lḥerf d 3 cm, ammud ad yili d 27 cm³. Ammud yettwabeggen s yiferdisen ikuben.
D acu ara yeḍrun ɣer ammud n umkuz m'ara irennu s snat tikwal lḥerf-is?
Ammud-is ad yuɣal tmanya n tikwal ameqqran imi tlata tiddimensiyin akk rennunt s snat tikwal: 2 × 2 × 2 = 8. Asenfel n lḥerf deg uskel ad ak-yesmenyif ad twaliḍ asnifel-a.
Iderwisen: OpenStax