Supersnelle sommen tot 50
Erbijsommen
1.
25
+
15
=
25
20
30
40
2.
10
+
5
=
15
10
5
20
3.
25
+
5
=
40
20
30
25
4.
40
+
5
=
30
45
40
25
5.
15
+
15
=
30
40
20
35
6.
45
+
5
=
40
50
45
30
7.
15
+
15
=
35
30
25
40
8.
50
+
0
=
35
40
50
30
9.
50
+
0
=
35
50
45
40
10.
30
+
10
=
35
20
30
40
11.
30
+
15
=
35
45
30
25
12.
35
+
15
=
45
50
30
35
13.
15
+
5
=
10
20
25
15
14.
25
+
20
=
30
45
25
35
15.
40
+
5
=
30
40
45
35
16.
35
+
5
=
40
20
25
35
17.
40
+
0
=
20
40
30
25
18.
35
+
0
=
40
30
45
35
19.
35
+
5
=
25
40
20
35
20.
45
+
0
=
30
45
40
35
21.
25
+
10
=
35
25
45
30
Supersnelle sommen tot 50
| ANTWOORDEN
Erbijsommen
1.
25
+
15
=
25
20
30
40
2.
10
+
5
=
15
10
5
20
3.
25
+
5
=
40
20
30
25
4.
40
+
5
=
30
45
40
25
5.
15
+
15
=
30
40
20
35
6.
45
+
5
=
40
50
45
30
7.
15
+
15
=
35
30
25
40
8.
50
+
0
=
35
40
50
30
9.
50
+
0
=
35
50
45
40
10.
30
+
10
=
35
20
30
40
11.
30
+
15
=
35
45
30
25
12.
35
+
15
=
45
50
30
35
13.
15
+
5
=
10
20
25
15
14.
25
+
20
=
30
45
25
35
15.
40
+
5
=
30
40
45
35
16.
35
+
5
=
40
20
25
35
17.
40
+
0
=
20
40
30
25
18.
35
+
0
=
40
30
45
35
19.
35
+
5
=
25
40
20
35
20.
45
+
0
=
30
45
40
35
21.
25
+
10
=
35
25
45
30