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