Oefen de erafsommen tot 12

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

Oefen de erafsommen tot 12
| ANTWOORDEN

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