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