Supersnelle sommen tot 50

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

Supersnelle sommen tot 50
| ANTWOORDEN

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