Maak de erafsom tot 20

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

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