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