Ableɣ

Ableɣ d amsektay asangam i wakat n taɣult i d-ttaṭṭaf kra n tfekka deg kra n wadeg, Ableɣ yemgarad ɣef wenrar, acku anrar iga d asmektay n tɣult tasenseggawt (2D), ma d ableɣ iga d asmektay n tɣult takerseggawt. Amedya, I wsiden n ubleɣ n ugasas ad nekfed anrar n yiwen seg wudmawen-is ɣef tiddi. Ableɣ ur yeqqin ara ɣer tkura neɣ ɣer wazuk maca iga d taskant seg teskanin n tenga tisimanin acku iga d tajumma kan ɣef wacu i d-teẓẓun tfekka, dɣa ma tella tneẓẓi-ines teflal ad yili tkura-ines meqqer ɣas ma yella ubleɣ-is meẓẓiy. s wanecta tineẓẓi d ubleɣ zemren ad gucclen takuramaca ur ila ara (ur yesɛi ara) atig iman-is deg usiden n tkura,ma d azuk iga kan d tadusi n welday (ajbad) i ṭṭafarent tfekkiwin anda ig mgarad seg wadeg ɣer wayeṭ, amedya: tifekkiwin deg Yebter ẓẓay-it ɣef tfekkiwin deg tegnit acku dinna yulek i tdusi n welday meqqren.
Azamul n ubleɣ d V, yettwakat s tiggtin tusligin, amedya: m³ neɣ cm³ neɣ mm³.

Ableɣ n ugasas yettwakat s 3 n iseggiwen idiganen: Teɣzi, Tehri d Tiddi. Ableɣ yettusemres deg tenfalit n tɣawsiwin timdettiyin am wesfer d tmuskiwin ... Atg, acku tiɣawsiwin-a yakk lant teɣzi d tehri d tiddi.
 Ableɣ n ugasas = teɣzi × tehri × tiddi^3
 Ableɣ n umsadaɣ n iserman = teɣzi × tehri × tiddi
 Ableɣ n uzamug = (tajumma n uzadur × 3) × tiddi

 Akat n yibleɣen n tfekkiwin 

 Ẓeṛ daɣen 

 Anagraw agraɣlan n tiynin (SI)
 Tigget n usekti
 Litra

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