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