11. Calculaţi:
4 2
a)
93
2.
9
4 8 4
14.
b)
7
1
18.
c)
3 27 9
1- +
4 8 2
3
40
5
15 3
15
28
15 6
18
d)
7 3 5
+ 1
6 4 9
1
e) 2
7
11
f) 1
15
11 7
2
+ .2
9 6 3
15
14 5
35​

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