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