Erafsommen oplossen tot 20

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

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