ͨ
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20 , 3 , . , 2 . 1 , 30 , , 12 , 9 , -, , . . , .

= 32 = 96 = 409,51241 .
= 40
= 10 = 12,29 .
=2 = 3, 27 .
= 1/16 = 0,768 .
= 1/20 = 5 = 0,61 .



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