Összeadás 1.
×
vissza
9. - 10. gyakorló feladat
megoldás
9)
+
7
–
5
=
10)
6
–
7
=
–
3
–
0
=
–
9
+
7
=
–
2
+
2
=
–
4
+
9
=
–
1
–
1
=
–
6
+
0
=
–
8
+
2
=
3
–
1
=