Reken de sommen tot 50 uit

Erbijsommen
1.
0
+
10
=
0
10
2.
5
+
35
=
20
40
3.
0
+
45
=
30
45
4.
0
+
40
=
20
40
5.
10
+
15
=
15
25
6.
15
+
30
=
25
45
7.
0
+
45
=
45
25
8.
0
+
50
=
40
50
9.
5
+
5
=
5
10
10.
5
+
20
=
20
25
11.
0
+
45
=
25
45
12.
25
+
25
=
35
50
13.
5
+
25
=
20
30
14.
15
+
35
=
35
50
15.
0
+
50
=
50
30
16.
5
+
20
=
25
15
17.
0
+
40
=
20
40
18.
0
+
45
=
40
45
19.
10
+
30
=
40
30
20.
0
+
35
=
35
25
21.
15
+
25
=
40
30
22.
10
+
40
=
30
50
23.
15
+
30
=
30
45
24.
0
+
35
=
35
45
25.
10
+
40
=
30
50
26.
20
+
25
=
25
45
27.
10
+
35
=
45
30
28.
15
+
25
=
30
40

Reken de sommen tot 50 uit
| ANTWOORDEN

Erbijsommen
1.
0
+
10
=
0
10
2.
5
+
35
=
20
40
3.
0
+
45
=
30
45
4.
0
+
40
=
20
40
5.
10
+
15
=
15
25
6.
15
+
30
=
25
45
7.
0
+
45
=
45
25
8.
0
+
50
=
40
50
9.
5
+
5
=
5
10
10.
5
+
20
=
20
25
11.
0
+
45
=
25
45
12.
25
+
25
=
35
50
13.
5
+
25
=
20
30
14.
15
+
35
=
35
50
15.
0
+
50
=
50
30
16.
5
+
20
=
25
15
17.
0
+
40
=
20
40
18.
0
+
45
=
40
45
19.
10
+
30
=
40
30
20.
0
+
35
=
35
25
21.
15
+
25
=
40
30
22.
10
+
40
=
30
50
23.
15
+
30
=
30
45
24.
0
+
35
=
35
45
25.
10
+
40
=
30
50
26.
20
+
25
=
25
45
27.
10
+
35
=
45
30
28.
15
+
25
=
30
40