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