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