Oefen erbijsommen en erafsommen tot 12
In de mix
1.
12
2
jimmy
–
=
2.
1
1
jimmy
+
=
3.
2
0
jimmy
+
=
4.
2
6
jimmy
+
=
5.
6
4
jimmy
–
=
6.
9
3
jimmy
–
=
7.
3
6
jimmy
+
=
8.
7
5
jimmy
+
=
9.
3
7
jimmy
+
=
10.
7
5
jimmy
–
=
11.
12
9
jimmy
–
=
12.
6
1
jimmy
+
=
13.
5
2
jimmy
–
=
14.
2
4
jimmy
+
=
15.
2
9
jimmy
+
=
16.
10
3
jimmy
–
=
17.
2
1
jimmy
+
=
18.
9
2
jimmy
–
=
19.
12
7
jimmy
–
=
20.
9
1
jimmy
+
=
21.
4
2
jimmy
–
=
22.
10
7
jimmy
–
=
23.
9
7
jimmy
–
=
24.
7
5
jimmy
+
=
Oefen erbijsommen en erafsommen tot 12
| ANTWOORDEN
In de mix
1.
12
2
10
–
=
2.
1
1
2
+
=
3.
2
0
2
+
=
4.
2
6
8
+
=
5.
6
4
2
–
=
6.
9
3
6
–
=
7.
3
6
9
+
=
8.
7
5
12
+
=
9.
3
7
10
+
=
10.
7
5
2
–
=
11.
12
9
3
–
=
12.
6
1
7
+
=
13.
5
2
3
–
=
14.
2
4
6
+
=
15.
2
9
11
+
=
16.
10
3
7
–
=
17.
2
1
3
+
=
18.
9
2
7
–
=
19.
12
7
5
–
=
20.
9
1
10
+
=
21.
4
2
2
–
=
22.
10
7
3
–
=
23.
9
7
2
–
=
24.
7
5
12
+
=