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