Erafsommen oplossen tot 20

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

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