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