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