Erafsommen oplossen tot 20

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

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