Supersnelle sommen tot 50

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

Supersnelle sommen tot 50
| ANTWOORDEN

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