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