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