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Summary

Samenvatting LKT rekenen

6 reviews
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Wat je allemaal moet weten voor de Landelijke kennisbasistoets rekenen! Alle domeinen staan erin, met alle verschillende dingen die belangrijk zijn om te weten. De aantekeningen zijn gemaakt door het volgen van een rekencursus, speciaal voor de lkt. Succes!

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  • March 18, 2019
  • 10
  • 2018/2019
  • Summary

6  reviews

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By: ebrakman01 • 1 year ago

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By: manoudb • 1 year ago

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really comprehensive and practical as the test is given

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By: stefandijkink • 10 months ago

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By: demisuijk • 3 year ago

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By: meesfleijsman • 3 year ago

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By: MelisaSeyhan • 3 year ago

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Domein 1 – Gehele getallen, onderdeel 1.
A. Eigenschappen van bewerkingen

Eigenschap Uitleg Voorbeeld
1. Commutatieve/ Omdraaien 48 + 102 = 102 + 48
wisseleigenschap
2. Distributieve/ Verdelen 16 x 25 = (10 x 25) + (6 x 25)
Verdeeleigenschap
3. Associatieve/ Haakjes (3 + 4) + 5 = 3 + (4 + 5)
Schakeleigenschap
4. Compenseren/ termen Je veranderd het getal, som 194 + 218 = 200 + 212
Veranderen blijft hetzelfde
5. Groter EN kleiner maken Ene kant delen, andere kant 36 x 3 = 12 x 9
(GEK) x : 3 x3
6. Groter OF kleiner maken Beide zelfde handeling 210 : 30 = 21 : 3
:10 :10

B. Talstelsels

Romeins
I=1
V=5
X = 10
L = 50
C = 100
D = 500
M = 1000

Hexadecimaal (16 tallig dus 160)
16 ‘cijfers’: 0123456789ABCDEF

Hexa → decimaal
4096 256 16 1
163 162 161 160
3 1 7 3

3 x 4096 = 12.228 dus 12.599
1 x 256 = 256
7 x 16 = 112
3x1=3

Decimaal → hexa
Decimale getal 332
256 16 1

, 162 161 160
1 4 C
Binair getalsysteem (2 tallig dus 20)
2 ‘cijfers’: 1 en 0
Binair → decimaal
16 8 4 2 1
2 4 23 22 21 20
1 0 1 1 0

1 x 16 = 16 dus 23
0x8=0
1x4=4
1x2=2
0x1=1

Decimaal → binair
Getal 25
16 8 4 2 1
24 23 22 21 20
1 1 0 0 1

Met de andere talstelsels is het hetzelfde, alleen de positiewaarde veranderd elke keer
➢ achttallig stelsel (octaal stelsel)
➢ Zestigtallig stelsel (sexagesimaal stelsel)
➢ Dertientallig stelsel

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