11.
Completează tabelele:
a)
d
a
6
10
2
10
a
6
3
b
4
4.
9
5
00
9
2
mun
00
5
6
09
c
25
(axb):c
(axb) = 0
b)
a
3
0)
4
10
25
b
24
72
54
b
5
5
с
4
8
6
2
95
32
ax(b:c)
a: b) =
