Erafsommen oplossen tot 20

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

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