koko_shik
" " 1 " " 2
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, . , 2 . 100 ., , . , . . , , - .
— , . , . 5, , 3.5, 2 .
. . . 4 . 1 = 73 . 74 , 3. — . 3+3+2+1( 2 3 , 1 2 1 ) .