Los de erbijsom en erafsom tot 20 op
In de mix
|
1.
14 + 1 =
2
3
1
15
|
2.
7 + 1 =
1
2
8
3
|
3.
4 – 2 =
2
1
4
3
|
4.
7 + 5 =
2
3
1
12
|
|
5.
15 – 3 =
1
12
3
2
|
6.
12 – 7 =
3
5
2
1
|
7.
15 – 8 =
3
7
1
2
|
8.
16 – 7 =
9
2
3
1
|
|
9.
12 – 8 =
3
2
4
1
|
10.
7 + 0 =
1
3
2
7
|
11.
13 + 1 =
3
2
14
1
|
12.
6 + 11 =
2
4
17
3
|
|
13.
9 + 11 =
2
20
4
3
|
14.
11 + 3 =
3
2
1
14
|
15.
19 – 4 =
2
1
15
3
|
16.
3 + 16 =
19
2
3
4
|
|
17.
20 + 0 =
2
20
4
3
|
18.
12 + 2 =
3
14
1
2
|
19.
19 + 1 =
4
2
20
3
|
20.
5 + 14 =
4
2
19
3
|