Erafsommen tot 20 maken

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

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