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