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