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