Erbijsommen en erafsommen tot 100
In de mix
1.
50
20
–
=
2.
30
20
–
=
3.
80
20
+
=
4.
70
10
+
=
5.
50
20
+
=
6.
90
50
–
=
7.
70
30
–
=
8.
30
10
+
=
9.
100
90
–
=
10.
20
50
+
=
11.
90
30
–
=
12.
20
10
+
=
13.
100
60
–
=
14.
50
10
+
=
15.
80
50
–
=
16.
40
30
–
=
17.
90
30
–
=
18.
60
40
–
=
19.
30
10
+
=
20.
20
0
+
=
21.
90
50
–
=
22.
40
10
+
=
23.
40
30
–
=
24.
90
50
–
=