Deelsommen door elkaar. Welk getal ontbreekt?

Deeltafels
1.
3
:
1
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2.
3
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1
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3.
72
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9
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4.
3
:
1
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5.
14
:
2
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6.
90
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9
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18
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3
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8.
28
:
7
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9.
15
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5
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10.
70
:
10
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11.
35
:
5
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12.
27
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3
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13.
70
:
7
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14.
54
:
9
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15.
24
:
3
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16.
35
:
5
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17.
63
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7
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12
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6
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19.
14
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2
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20.
24
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6
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21.
14
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7
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Deelsommen door elkaar. Welk getal ontbreekt?
| ANTWOORDEN

Deeltafels
1.
3
:
1
=
=
3
2.
3
:
1
=
=
3
3.
72
:
9
=
=
8
4.
3
:
1
=
=
3
5.
14
:
2
=
=
7
6.
90
:
9
=
=
10
7.
18
:
3
=
=
6
8.
28
:
7
=
=
4
9.
15
:
5
=
=
3
10.
70
:
10
=
=
7
11.
35
:
5
=
=
7
12.
27
:
3
=
=
9
13.
70
:
7
=
=
10
14.
54
:
9
=
=
6
15.
24
:
3
=
=
8
16.
35
:
5
=
=
7
17.
63
:
7
=
=
9
18.
12
:
6
=
=
2
19.
14
:
2
=
=
7
20.
24
:
6
=
=
4
21.
14
:
7
=
=
2
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen