Erafsommen oplossen tot 20

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

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