Maak de som uit de tafel van 4 kloppend
Tafels
1.
×
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4
4
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2.
×
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4
7
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3.
×
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4
3
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4.
×
=
4
1
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5.
×
=
4
3
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6.
×
=
4
5
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7.
×
=
4
9
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8.
×
=
4
7
________
9.
×
=
4
1
________
10.
×
=
4
2
________
11.
×
=
4
4
________
12.
×
=
4
8
________
13.
×
=
4
2
________
14.
×
=
4
9
________
15.
×
=
4
5
________
16.
×
=
4
3
________
17.
×
=
4
2
________
18.
×
=
4
1
________
19.
×
=
4
2
________
20.
×
=
4
10
________
21.
×
=
4
3
________
22.
×
=
4
4
________
23.
×
=
4
9
________
24.
×
=
4
7
________