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