Supersnelle sommen tot 50

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

Supersnelle sommen tot 50
| ANTWOORDEN

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