Rekensommen met erbij tot 50

Erbijsommen
1.
30
+
20
=
2.
30
+
20
=
3.
25
+
25
=
4.
25
+
20
=
5.
40
+
10
=
6.
25
+
10
=
7.
35
+
0
=
8.
40
+
10
=
9.
40
+
0
=
10.
30
+
10
=
11.
50
+
0
=
12.
25
+
0
=
13.
20
+
0
=
14.
40
+
5
=
15.
30
+
15
=
16.
20
+
5
=
17.
5
+
5
=
18.
35
+
10
=
19.
40
+
5
=
20.
30
+
5
=
21.
25
+
10
=
22.
25
+
10
=
23.
30
+
20
=
24.
30
+
10
=
25.
20
+
5
=
26.
45
+
0
=
27.
20
+
0
=
28.
45
+
0
=
29.
15
+
5
=
30.
40
+
0
=
31.
35
+
10
=
32.
50
+
0
=
33.
35
+
10
=
34.
35
+
5
=
35.
35
+
15
=
36.
20
+
10
=

Rekensommen met erbij tot 50
| ANTWOORDEN

Erbijsommen
1.
30
+
20
=
50
2.
30
+
20
=
50
3.
25
+
25
=
50
4.
25
+
20
=
45
5.
40
+
10
=
50
6.
25
+
10
=
35
7.
35
+
0
=
35
8.
40
+
10
=
50
9.
40
+
0
=
40
10.
30
+
10
=
40
11.
50
+
0
=
50
12.
25
+
0
=
25
13.
20
+
0
=
20
14.
40
+
5
=
45
15.
30
+
15
=
45
16.
20
+
5
=
25
17.
5
+
5
=
10
18.
35
+
10
=
45
19.
40
+
5
=
45
20.
30
+
5
=
35
21.
25
+
10
=
35
22.
25
+
10
=
35
23.
30
+
20
=
50
24.
30
+
10
=
40
25.
20
+
5
=
25
26.
45
+
0
=
45
27.
20
+
0
=
20
28.
45
+
0
=
45
29.
15
+
5
=
20
30.
40
+
0
=
40
31.
35
+
10
=
45
32.
50
+
0
=
50
33.
35
+
10
=
45
34.
35
+
5
=
40
35.
35
+
15
=
50
36.
20
+
10
=
30