. , !))
. :
: 4 . ., . 6 . /. 2 . / = 12 . (1 . /, 2 . / ) = 18 . 3 . , 12 . 10 . «» . : 4 .. . 1 . 6 . /. 2 . 2 . /. . /. = 12 . 5 . 2 . /. 4- . /. 6-9 . 1 / = 27 /. 10-16 . 16 1 . /. . . . , , , .