Supersnelle sommen tot 50

Erbijsommen
1.
30
+
10
=
20
25
40
35
2.
25
+
25
=
50
45
35
30
3.
20
+
5
=
15
35
20
25
4.
20
+
0
=
30
10
15
20
5.
40
+
0
=
35
40
25
30
6.
30
+
15
=
45
25
30
35
7.
40
+
0
=
30
40
35
20
8.
50
+
0
=
35
50
45
40
9.
25
+
0
=
25
20
30
15
10.
25
+
5
=
40
20
25
30
11.
40
+
0
=
35
40
20
30
12.
45
+
5
=
45
30
40
50
13.
15
+
5
=
25
30
20
15
14.
25
+
25
=
50
40
35
30
15.
40
+
5
=
35
45
40
30
16.
30
+
0
=
40
25
20
30
17.
50
+
0
=
35
45
50
30
18.
25
+
20
=
35
45
25
40
19.
30
+
20
=
30
50
40
45
20.
50
+
0
=
45
35
50
30
21.
30
+
20
=
35
50
30
40
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen

Supersnelle sommen tot 50
| ANTWOORDEN

Erbijsommen
1.
30
+
10
=
20
25
40
35
2.
25
+
25
=
50
45
35
30
3.
20
+
5
=
15
35
20
25
4.
20
+
0
=
30
10
15
20
5.
40
+
0
=
35
40
25
30
6.
30
+
15
=
45
25
30
35
7.
40
+
0
=
30
40
35
20
8.
50
+
0
=
35
50
45
40
9.
25
+
0
=
25
20
30
15
10.
25
+
5
=
40
20
25
30
11.
40
+
0
=
35
40
20
30
12.
45
+
5
=
45
30
40
50
13.
15
+
5
=
25
30
20
15
14.
25
+
25
=
50
40
35
30
15.
40
+
5
=
35
45
40
30
16.
30
+
0
=
40
25
20
30
17.
50
+
0
=
35
45
50
30
18.
25
+
20
=
35
45
25
40
19.
30
+
20
=
30
50
40
45
20.
50
+
0
=
45
35
50
30
21.
30
+
20
=
35
50
30
40
© JuniorEinstein.nl
Online oefenen  |   Educatieve boeken  |   Werkbladen  |   Educatieve materialen