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