Oefen de erafsommen tot 20

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

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