Inverse bewerkings
• Vermenigvuldiging en deling is inverse bewerkings.
• Vermenigvuldiging en deling kan gebruik word om mekaar te kontroleer.
• Ons kan die groeperingseienskap van vermenigvuldiging en deling gebruik.
• Dit beteken as ons met ’n veelvoud van 10 wil vermenigvuldig, kan ons eers met die veelvoud
vermenigvuldig en dan met 10.
Voorstelling van telgetalle
• Kyk na hierdie groot getal : 327 461 856 (bestaan uit 9 syfers).
Voorbeeld van ‘n plekwaardekolomme
Miljoene Duisende Honderde
HM TM M HD TD D H T E
3 2 7 4 6 1 8 5 8
Voorbeeld 1 Voorbeeld 2 Voorbeeld 3
In Suid-Afrika is daar Skryf in uitgebreide Wat is die waarde van
nege-en-twintig notasie : 572 863 die onderstreepte
miljoen seshonderd syfer : 64 897
vyf-en-veertig duisend Oplossing
sewehonderd en 500 000 + 70 000 + Oplossing
negentig mense wat 2 000 + 800 + 60 + 3 60 000
selfone gebruik.
Skryf hierdie getal met
gebruik van syfers.
Oplossing
29 645 790
2
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