Oefen erbijsommen en erafsommen tot 12
In de mix
1.
5
2
jimmy
–
=
2.
3
2
jimmy
–
=
3.
8
7
jimmy
–
=
4.
3
6
jimmy
+
=
5.
11
6
jimmy
–
=
6.
9
6
jimmy
–
=
7.
9
3
jimmy
–
=
8.
5
7
jimmy
+
=
9.
4
2
jimmy
–
=
10.
7
3
jimmy
–
=
11.
10
4
jimmy
–
=
12.
12
10
jimmy
–
=
13.
4
4
jimmy
+
=
14.
1
1
jimmy
+
=
15.
2
1
jimmy
+
=
16.
4
2
jimmy
–
=
17.
2
0
jimmy
+
=
18.
11
8
jimmy
–
=
19.
8
5
jimmy
–
=
20.
4
2
jimmy
–
=
21.
9
4
jimmy
–
=
22.
2
4
jimmy
+
=
23.
9
2
jimmy
–
=
24.
6
3
jimmy
+
=
Oefen erbijsommen en erafsommen tot 12
| ANTWOORDEN
In de mix
1.
5
2
3
–
=
2.
3
2
1
–
=
3.
8
7
1
–
=
4.
3
6
9
+
=
5.
11
6
5
–
=
6.
9
6
3
–
=
7.
9
3
6
–
=
8.
5
7
12
+
=
9.
4
2
2
–
=
10.
7
3
4
–
=
11.
10
4
6
–
=
12.
12
10
2
–
=
13.
4
4
8
+
=
14.
1
1
2
+
=
15.
2
1
3
+
=
16.
4
2
2
–
=
17.
2
0
2
+
=
18.
11
8
3
–
=
19.
8
5
3
–
=
20.
4
2
2
–
=
21.
9
4
5
–
=
22.
2
4
6
+
=
23.
9
2
7
–
=
24.
6
3
9
+
=