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