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