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