Oefen de erbijsom en erafsom tot 50
In de mix
|
1.
11 + 35 =
46
2
|
2.
8 – 2 =
1
6
|
3.
12 – 12 =
0
2
|
4.
43 + 1 =
44
2
|
|
5.
18 + 31 =
2
49
|
6.
45 + 1 =
46
2
|
7.
45 + 2 =
47
2
|
8.
19 + 28 =
2
47
|
|
9.
10 – 1 =
9
1
|
10.
9 – 2 =
1
7
|
11.
23 – 9 =
1
14
|
12.
50 + 0 =
2
50
|
|
13.
5 + 10 =
15
1
|
14.
44 + 6 =
2
50
|
15.
40 + 8 =
2
48
|
16.
16 – 12 =
1
4
|
|
17.
21 – 1 =
20
2
|
18.
15 + 35 =
2
50
|
19.
48 – 42 =
1
6
|
20.
37 – 20 =
17
2
|