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