Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
16 + 18 =
4
2
3
34
|
2.
44 – 39 =
3
5
2
1
|
3.
44 – 2 =
2
3
42
4
|
4.
14 + 19 =
2
33
3
4
|
|
5.
45 + 5 =
3
50
2
4
|
6.
14 – 5 =
3
9
2
1
|
7.
7 + 19 =
2
3
26
4
|
8.
26 + 3 =
4
2
29
3
|
|
9.
25 + 5 =
30
3
4
2
|
10.
5 + 32 =
4
2
3
37
|
11.
45 + 3 =
48
2
3
4
|
12.
32 – 28 =
4
2
3
1
|
|
13.
17 + 14 =
4
31
3
2
|
14.
1 – 1 =
3
2
0
4
|
15.
25 – 6 =
3
4
2
19
|
16.
34 – 1 =
33
2
3
4
|
|
17.
28 – 0 =
2
28
4
3
|
18.
26 – 23 =
4
3
1
2
|
19.
26 – 17 =
1
3
9
2
|
20.
17 + 10 =
2
27
4
3
|