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