Erafsommen oplossen tot 20

Erafsommen
1.
12
–
4
=
2.
2
–
2
=
3.
13
–
2
=
4.
3
–
1
=
5.
12
–
4
=
6.
10
–
3
=
7.
6
–
1
=
8.
11
–
7
=
9.
10
–
6
=
10.
11
–
9
=
11.
9
–
2
=
12.
17
–
0
=
13.
13
–
12
=
14.
10
–
3
=
15.
10
–
5
=
16.
5
–
5
=
17.
9
–
4
=
18.
12
–
10
=
19.
5
–
1
=
20.
5
–
2
=
21.
7
–
3
=
22.
12
–
12
=
23.
13
–
11
=
24.
3
–
1
=
25.
8
–
1
=
26.
1
–
0
=
27.
7
–
6
=
28.
13
–
11
=
29.
9
–
0
=
30.
13
–
12
=
31.
20
–
14
=
32.
17
–
17
=
33.
2
–
0
=
34.
18
–
0
=
35.
20
–
19
=
36.
10
–
9
=
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Erafsommen oplossen tot 20
| ANTWOORDEN

Erafsommen
1.
12
–
4
=
8
2.
2
–
2
=
0
3.
13
–
2
=
11
4.
3
–
1
=
2
5.
12
–
4
=
8
6.
10
–
3
=
7
7.
6
–
1
=
5
8.
11
–
7
=
4
9.
10
–
6
=
4
10.
11
–
9
=
2
11.
9
–
2
=
7
12.
17
–
0
=
17
13.
13
–
12
=
1
14.
10
–
3
=
7
15.
10
–
5
=
5
16.
5
–
5
=
0
17.
9
–
4
=
5
18.
12
–
10
=
2
19.
5
–
1
=
4
20.
5
–
2
=
3
21.
7
–
3
=
4
22.
12
–
12
=
0
23.
13
–
11
=
2
24.
3
–
1
=
2
25.
8
–
1
=
7
26.
1
–
0
=
1
27.
7
–
6
=
1
28.
13
–
11
=
2
29.
9
–
0
=
9
30.
13
–
12
=
1
31.
20
–
14
=
6
32.
17
–
17
=
0
33.
2
–
0
=
2
34.
18
–
0
=
18
35.
20
–
19
=
1
36.
10
–
9
=
1
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