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