Rekensommen met eraf tot 20

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

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