Rekensommen met eraf tot 12

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

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