Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
25 – 15 =
3
1
2
10
|
2.
12 – 0 =
2
3
12
1
|
3.
50 + 0 =
50
3
4
2
|
4.
11 – 10 =
1
3
4
2
|
|
5.
16 – 16 =
2
4
0
3
|
6.
34 – 5 =
29
3
4
2
|
7.
13 – 3 =
1
10
2
3
|
8.
2 + 38 =
4
2
3
40
|
|
9.
30 – 15 =
15
1
2
3
|
10.
49 – 36 =
13
1
3
2
|
11.
36 – 34 =
4
1
3
2
|
12.
14 – 4 =
2
10
3
1
|
|
13.
14 + 26 =
2
3
40
4
|
14.
18 + 25 =
3
43
4
2
|
15.
30 – 10 =
4
20
2
3
|
16.
10 + 13 =
2
3
4
23
|
|
17.
50 – 10 =
3
2
40
4
|
18.
11 – 10 =
4
2
1
3
|
19.
20 – 11 =
1
3
2
9
|
20.
19 – 7 =
3
12
2
1
|