GROUPA`_____________________________________

EXERCISE 1.............. 9

EXERCISE 2............. 10

EXERCISE 3............. 11

EXERCISE 4............. 12

EXERCISE 5............. 13

EXERCISE 6............. 14

GROUP Β `_____________________

EXERCISE 7.............. 15

EXERCISE 8............. 16

EXERCISE 9.............. 17

EXERCISE 10............ 18

GROUP C`______________________

EXERCISE 11............ 19

GROUP D`_____________________

EXERCISE 12............ 20

EXERCISE 13............ 20

EXERCISE 14............ 21

EXERCISE 15............ 21

EXERCISE 16............ 22

GROUP E`_____________________

EXERCISE 17............ 23

EXERCISE 18............ 24

GROUP F`_____________________

EXERCISE 19............ 25

EXERCISE 20............ 26

EXERCISE 21............ 2?

EXERCISE 22............ 28

GROUP G`_____________________

EXERCISE 23............ 29

EXERCISE 24............ 29

EXERCISE 25............ 30

EXERCISE 26............ 30

EXERCISE 2?............ 31

EXERCISE 28............ 31

GROUP H`_____________________

EXERCISE 29............ 32

EXERCISE 30............ 32

EXERCISE 31............ 33

EXERCISE 32............ 33

EXERCISE 33............ 34

EXERCISE 34............ 34

GROUP Γ_____________________

EXERCISE 35............ 35

EXERCISE 36............ 35

EXERCISE 3?............ 36

EXERCISE 38............ 36

EXERCISE 39............ 3?

EXERCISE 40............. 37

EXERCISE 41............ 38

EXERCISE 42............ 38

EXERCISE 43............ 39

EXERCISE 44............ 39

EXERCISE 45............ 40

EXERCISE 46............ 40

GROUPJ`_____________________

EXERCISE 47............ 41

GROUP K`____________________

EXERCISE 48............ 43

GROUP L`_____________________

EXERCISE 49............ 49

EXERCISE 50............ 49

EXERCISE 51............ 50

EXERCISE 52             50