Erafsommen oplossen tot 20

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

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