Erafsommen tot 20 maken

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

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