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