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