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