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