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