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