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