Erafsommen oplossen tot 20

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

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