Erbij en eraf tot 50
In de mix
|
1.
27 – 9 =
18
2
|
2.
29 + 5 =
34
2
|
3.
29 + 1 =
30
2
|
4.
2 + 6 =
8
1
|
|
5.
33 – 18 =
15
1
|
6.
35 + 14 =
2
49
|
7.
32 – 27 =
1
5
|
8.
3 – 3 =
2
0
|
|
9.
44 – 2 =
42
2
|
10.
7 – 5 =
1
2
|
11.
27 + 22 =
49
2
|
12.
23 – 19 =
4
1
|
|
13.
22 + 23 =
45
2
|
14.
15 – 4 =
11
1
|
15.
35 – 15 =
2
20
|
16.
13 – 5 =
1
8
|
|
17.
19 + 16 =
2
35
|
18.
34 – 29 =
5
1
|
19.
30 – 22 =
8
1
|
20.
31 + 17 =
2
48
|