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(1)
Repeat addition and
subtraction
Widerholte Addition und
Subtraktion
Addition et soustraction
successives
Repetición de suma y
restas
Addizioni e sottrazioni
ripetute
Repeterad addition och
subtraktion
Herhaald optellen en
aftrekken
=
×
2
A
A
A
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3
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1
A
32
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45
10
10
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12
45
78
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=
840
4
15
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×
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2
2
2
2
=
×
×
=
3
2
2
2
2
1
7
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(3)
(4)
(5)
(6)
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0
•
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0
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(7)
12
45
10
12
45
78
840
4
150
2
2
7
0.14285714285
(8)
61.
42'120.
14.
4.
8.
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