Erafsommen oplossen tot 20

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

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