Supersnelle sommen tot 50

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

Supersnelle sommen tot 50
| ANTWOORDEN

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