Supersnelle sommen tot 50

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

Supersnelle sommen tot 50
| ANTWOORDEN

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