Oefen de erbijsom en erafsom tot 50
In de mix
|
1.
20 + 29 =
49
2
|
2.
25 – 0 =
25
2
|
3.
36 + 0 =
2
36
|
4.
33 – 5 =
28
2
|
|
5.
22 + 28 =
50
2
|
6.
14 + 29 =
43
2
|
7.
43 – 24 =
19
2
|
8.
31 – 7 =
24
2
|
|
9.
46 – 31 =
1
15
|
10.
50 – 14 =
2
36
|
11.
12 – 6 =
1
6
|
12.
17 – 15 =
1
2
|
|
13.
44 – 28 =
2
16
|
14.
49 + 0 =
49
2
|
15.
18 + 5 =
2
23
|
16.
19 – 3 =
16
2
|
|
17.
35 – 0 =
35
2
|
18.
16 – 16 =
2
0
|
19.
36 + 10 =
2
46
|
20.
17 – 7 =
10
1
|