Erafsommen oplossen tot 20

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

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