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