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