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