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