Rekensommen met erbij en eraf tot 50
In de mix
|
1.
1 + 0 =
2
1
|
2.
15 + 9 =
24
2
|
3.
39 – 19 =
2
20
|
4.
19 – 9 =
10
1
|
|
5.
37 + 1 =
38
2
|
6.
35 + 4 =
39
2
|
7.
13 + 30 =
43
2
|
8.
36 + 13 =
49
2
|
|
9.
31 + 9 =
40
2
|
10.
4 – 4 =
2
0
|
11.
44 – 36 =
1
8
|
12.
49 – 8 =
2
41
|
|
13.
6 – 3 =
3
1
|
14.
33 + 2 =
35
2
|
15.
8 – 1 =
7
1
|
16.
6 + 13 =
2
19
|
|
17.
21 – 14 =
1
7
|
18.
43 + 1 =
2
44
|
19.
37 + 4 =
41
2
|
20.
29 + 4 =
2
33
|