Erafsommen tot 20 maken

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

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