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