Erafsommen oplossen tot 20

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

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