Erafsommen oplossen tot 20

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

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