Erbijsommen en erafsommen tot 20
In de mix
1.
7
13
jimmy
+
=
2.
11
5
jimmy
+
=
3.
18
8
jimmy
–
=
4.
2
1
jimmy
+
=
5.
7
4
jimmy
–
=
6.
6
1
jimmy
+
=
7.
6
6
jimmy
+
=
8.
9
3
jimmy
–
=
9.
2
2
jimmy
+
=
10.
2
0
jimmy
+
=
11.
13
10
jimmy
–
=
12.
12
7
jimmy
+
=
13.
4
12
jimmy
+
=
14.
7
2
jimmy
–
=
15.
4
2
jimmy
+
=
16.
5
2
jimmy
+
=
17.
9
6
jimmy
–
=
18.
3
2
jimmy
+
=
19.
5
4
jimmy
–
=
20.
2
1
jimmy
+
=
21.
6
2
jimmy
–
=
22.
6
4
jimmy
+
=
23.
3
4
jimmy
+
=
24.
12
11
jimmy
–
=
Erbijsommen en erafsommen tot 20
| ANTWOORDEN
In de mix
1.
7
13
20
+
=
2.
11
5
16
+
=
3.
18
8
10
–
=
4.
2
1
3
+
=
5.
7
4
3
–
=
6.
6
1
7
+
=
7.
6
6
12
+
=
8.
9
3
6
–
=
9.
2
2
4
+
=
10.
2
0
2
+
=
11.
13
10
3
–
=
12.
12
7
19
+
=
13.
4
12
16
+
=
14.
7
2
5
–
=
15.
4
2
6
+
=
16.
5
2
7
+
=
17.
9
6
3
–
=
18.
3
2
5
+
=
19.
5
4
1
–
=
20.
2
1
3
+
=
21.
6
2
4
–
=
22.
6
4
10
+
=
23.
3
4
7
+
=
24.
12
11
1
–
=