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Hoe kan jy die KGV van twee groot getalle soos 36 en 225 bepaal? Met behulp van daardie getalle se priemfaktore. Wanneer jy 36 skryf as ‘n produk van priemfaktore, sal dit 22 x 32 wees en 225 as ‘n produk van priemfaktore sal 32 x 52 wees. Hoe bepaal jy dan nou die KGV?…
Koers is die vergelyking van 2 hoeveelhede van verskillende soorte. Byvoorbeeld, as jy hoenderfillette koop teen ‘n koers van R54/kg, beteken dit dat jy R54 moet betaal vir 1 kg hoenderfillette. Wanneer jy 2,5 kg hoenderfillette wil koop teen daardie prys, moet jy 2,5 keer die R54 betaal. Koers kan ook gebruik word om motors…
Wanneer hoeveelhede vermeerder word in ‘n gegewe verhouding, soos die vermeerdering van R16 in die verhouding 5:4, gebruik ons die metode om die hoeveelheid te deel deur die kleiner getal van die verhouding, in hierdie geval die 4, en dan te maal met die groter getal van die verhouding, in hierdie geval die 5. Dus,…
Verhouding en koers is baie dieselfde waar verhouding die vergelyking is van twee of meer hoeveelhede van dieselfde soort en koers die vergelyking is van twee hoeveelhede van verskillende soorte. ‘n Voorbeeld van koers is R49/100g (R49 per 100 gram). Hoe moet ons te werk gaan om iets in ‘n gegewe verhouding te verdeel? As…
Wanneer ons breuke met mekaar vermenigvuldig of deel, verander ons NIE die noemers na ‘n gemeenskaplike noemer soos wanneer ons breuke optel of aftrek nie. Vermenigvuldiging en deling van breuke is baie makliker om te doen. Wanneer ons breuke met mekaar maal, kan ons van twee metodes gebruik maak. Die eerste metode is om die…
Wanneer jy twee derdes van ‘n pizza eet en jou vriend eet drie kwarte (drie vierdes) van sy pizza wat net so groot soos joune is, hoeveel het julle altesaam geëet? Om dit uit te werk moet ons eers die KGN (kleinste gemene noemer) van die derdes en die kwarte bepaal. Die KGN daarvan is…
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