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