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