Erafsommen oplossen tot 20

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

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