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