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