Erafsommen oplossen tot 20

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

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