Oefen de erafsommen tot 12

Erafsommen
1.
1 1 =
2
5
0
3
2.
3 1 =
2
7
1
3
3.
5 2 =
3
8
1
5
4.
4 1 =
2
3
6
8
5.
4 2 =
1
3
7
2
6.
10 7 =
1
3
4
5
7.
4 3 =
6
3
4
1
8.
1 0 =
3
1
2
6
9.
7 6 =
4
1
6
5
10.
9 8 =
3
1
6
5
11.
1 1 =
4
2
0
3
12.
9 5 =
2
3
5
4
13.
6 1 =
9
5
2
4
14.
7 5 =
5
2
7
3
15.
8 3 =
8
5
7
10
16.
8 5 =
7
3
2
6
17.
8 0 =
7
12
8
2
18.
2 1 =
5
6
1
3
19.
4 1 =
3
4
1
6
20.
10 4 =
6
9
1
3

Oefen de erafsommen tot 12
| ANTWOORDEN

Erafsommen
1.
1 1 =
2
5
0
3
2.
3 1 =
2
7
1
3
3.
5 2 =
3
8
1
5
4.
4 1 =
2
3
6
8
5.
4 2 =
1
3
7
2
6.
10 7 =
1
3
4
5
7.
4 3 =
6
3
4
1
8.
1 0 =
3
1
2
6
9.
7 6 =
4
1
6
5
10.
9 8 =
3
1
6
5
11.
1 1 =
4
2
0
3
12.
9 5 =
2
3
5
4
13.
6 1 =
9
5
2
4
14.
7 5 =
5
2
7
3
15.
8 3 =
8
5
7
10
16.
8 5 =
7
3
2
6
17.
8 0 =
7
12
8
2
18.
2 1 =
5
6
1
3
19.
4 1 =
3
4
1
6
20.
10 4 =
6
9
1
3