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