Rekensommen met eraf tot 20

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

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