Oefen de erbijsommen tot 12

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

Oefen de erbijsommen tot 12
| ANTWOORDEN

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