Erafsommen oplossen tot 20

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

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