.. 2012


,,




6 :2690
(12 ) =3130



4


160 - 200
,,




( )=190
8
120






25
6 =280

( 12 ) 560



6 =160
12 =320












9272-2 g

75





9079g

170







170




9288-1 g


+ 6


250




9288 g


+ 6

250








6 + 6 =250
9287 g

















9179-2 g


110