Summary
pabo, getallen en bewerkingen, samenvatting
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Dit document bevat een samenvatting van het tentamen 'getallen en bewerkingen'. Inclusief begrippenlijst.
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By: lisavanruijven • 3 year ago
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Samenvatting Getallen & BewerkingenBoek: Hele getallen
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Samenvatting: Getallen en bewerkingen
Boek: Hele getallen
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1
,Hoofdstuk 1: Hele Getallen
§1 Functie van getallen:
1. Kardinaal getal / hoeveelheidsgetal
Er liggen 20 appels in de schaal.
2. Ordinaal getal / telgetal
De twintigste appel wordt uit de schaal gepakt
3. Meetgetal
2 kg appels leggen een afstand van 7 km af en onderweg wordt er 50 liter getankt
4. Naamgetal
Je gaat via de snelweg A20 met bus 57 naar het centrum en stapt over op tram 7
5. Rekengetal
Verdeel 20 appels over 4 schalen= 20 : 4 = 5 appels in elke schaal
2
, §2 Getal systemen
Decimaal Binairgetalsysteem Hexadecimaalgetalsysteem Octaalgetalsysteem
getalsysteem
10 cijfers: 0 t/m 9 2 cijfers: 1 en 2 16 cijfers: 0 t/m 16 8 cijfers: 0 t/m 7
Plaats van cijfer 9 = 9, 10 = A, 11 = B, 12 = 13
in getal = D, 14 = E, 15 = F, 16 = 10
541= 5= H, 4= T, 2 2 2 2 2 2 16 16 16 8 8 8 8
1=E 32 16 8 4 2 1 256 16 1 512 64 8 1
D H T E 5510 = 1101112 20010 = C816 2710 = 338-c
32 past 1x in 55-32 = 23 16 past 12 x in 200 8 past 3 x in 27
16 past 1x in 23-16 = 7 16 x 12 (C) = 192 8 x 3 = 24
8 past 0 x in 7 200 – 192 = 8 27 – 24 = 3
4 past 1x in 7-4 = 3 1 past 8 x in 8 1 past 3 x in 3
2 past 1x in 3-2 = 1 1x8=8 1x3=3
1 past 1x in 1-1 = 0 8–8=0 3–3=0
1101012 = 5310 B7F16 = 294310 2238-c = 14710
1 x 32 = 32 B= 11 2 x 64 = 128
1 x 16 = 16 11 x 256 = 2816 2 x 8 = 16
0x8=0 7= 7 3x1=3
1x4=4 7 x 16 = 112 128 + 16 + 3 = 147
0x2=0 F= 15
1x1=1 15 x 1 = 15
32 + 16 + 4 + 1= 53 2816 + 112 + 15 = 294
Romeinse cijfers I=1 V=5 Kleine getal voor een groot
X = 10 L = 50 getal is van elkaar aftrekken
C = 100 D = 500 IX = 10 – 1 = 9
M = 1000 XL = 50 – 10 = 40
3
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