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