Erbijsommen en erafsommen tot 20
In de mix
1.
3
4
jimmy
+
=
2.
8
5
jimmy
+
=
3.
2
1
jimmy
+
=
4.
13
11
jimmy
–
=
5.
9
3
jimmy
+
=
6.
9
4
jimmy
–
=
7.
8
2
jimmy
–
=
8.
4
5
jimmy
+
=
9.
20
8
jimmy
–
=
10.
3
2
jimmy
–
=
11.
3
2
jimmy
+
=
12.
19
17
jimmy
–
=
13.
4
2
jimmy
+
=
14.
15
6
jimmy
–
=
15.
4
14
jimmy
+
=
16.
11
8
jimmy
+
=
17.
16
15
jimmy
–
=
18.
2
5
jimmy
+
=
19.
6
2
jimmy
–
=
20.
3
12
jimmy
+
=
21.
5
4
jimmy
–
=
22.
5
3
jimmy
+
=
23.
8
4
jimmy
+
=
24.
8
12
jimmy
+
=
Erbijsommen en erafsommen tot 20
| ANTWOORDEN
In de mix
1.
3
4
7
+
=
2.
8
5
13
+
=
3.
2
1
3
+
=
4.
13
11
2
–
=
5.
9
3
12
+
=
6.
9
4
5
–
=
7.
8
2
6
–
=
8.
4
5
9
+
=
9.
20
8
12
–
=
10.
3
2
1
–
=
11.
3
2
5
+
=
12.
19
17
2
–
=
13.
4
2
6
+
=
14.
15
6
9
–
=
15.
4
14
18
+
=
16.
11
8
19
+
=
17.
16
15
1
–
=
18.
2
5
7
+
=
19.
6
2
4
–
=
20.
3
12
15
+
=
21.
5
4
1
–
=
22.
5
3
8
+
=
23.
8
4
12
+
=
24.
8
12
20
+
=