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