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