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