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