minus
13. 10. 2012
a) 10-5=
5
4
3
2
_______________________________________________
b) 8-2=
7
6
5
4
______________________________________________
c) 9-7=
3
2
1
0
_____________________________________________
d) 6-4=
4
3
2
1
______________________________________________
e) 12-6=
3
2
1
6