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