Oefen de erafsommen tot 12

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

Oefen de erafsommen tot 12
| ANTWOORDEN

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