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