Erafsommen oplossen tot 20

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

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