Supersnelle erbijsommen en erafsommen tot 50
In de mix
|
1.
45 – 26 =
19
2
3
4
|
2.
35 – 28 =
7
3
2
1
|
3.
19 – 19 =
4
2
3
0
|
4.
40 – 12 =
2
4
28
3
|
|
5.
30 – 14 =
3
16
2
4
|
6.
23 – 4 =
19
4
2
3
|
7.
11 – 8 =
1
4
2
3
|
8.
34 + 3 =
4
2
3
37
|
|
9.
18 + 0 =
18
4
2
3
|
10.
19 + 1 =
3
2
4
20
|
11.
20 – 0 =
3
2
20
4
|
12.
4 – 3 =
2
1
3
4
|
|
13.
32 – 30 =
4
2
1
3
|
14.
49 – 49 =
3
4
2
0
|
15.
4 – 2 =
2
1
4
3
|
16.
34 + 4 =
2
4
38
3
|
|
17.
44 + 4 =
4
48
2
3
|
18.
9 + 36 =
45
2
3
4
|
19.
6 + 23 =
3
2
29
4
|
20.
46 + 1 =
47
4
3
2
|