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