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