Rekensommen met eraf tot 20

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

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