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