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