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