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