Erafsommen oplossen tot 20

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

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