Erafsommen oplossen tot 20

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

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