Grundwissen Flashcards

1
Q

1/2

A

0,5

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2
Q

1/8

A

0,125

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3
Q

3/4

A

0,75

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4
Q

1/4

A

0,25

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5
Q

1/3

A

0,3 Periode

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6
Q

1/9

A

0,1 Periode

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7
Q

Was ist eine Primzahl?

A

Wenn eine Zahl nur durch 1 und sich selbst teilbar ist:

z.B. 2, 3, 5, 7, 11, 13, 19, 23, 29, 31

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8
Q

Jede Zahl die mit 0 oder 5 endet ist…

A

durch 5 teilbar

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9
Q

Jede Zahl dessen Quersumme durch 3 teilbar ist…

A

ist auch durch 3 teilbar

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10
Q

Was ist die Quersumme von 111?

A

1+1+1 = 3 ergo: durch 3 teilbar

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11
Q

Jede Gerade Zahl ist …

A

durch 2 teilbar

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12
Q

2/3

A

0,6 Periode

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13
Q

1/6

A

0,16 Periode

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14
Q

5/6

A

0,83 Periode

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15
Q

2/9

A

0,2 Periode

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16
Q

4/9

A

0,4 Periode

17
Q

1/5

A

0,2