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