Erafsommen oplossen tot 20

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

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