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