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