Erafsommen oplossen tot 20

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

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