Supersnelle sommen tot 50

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

Supersnelle sommen tot 50
| ANTWOORDEN

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