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