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