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