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= 120/135=0,889
= 15/135 = 0,111
(7):
= 150*285*0,889=38005
= 150*0,111*228=3799
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20.285=5700
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= 228/285=0,8
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: 120.1+15.0,8=132
130.1+20.0,8=146
(.):
: 132/135=0,978
: 146/150=0,973
: 0,973/0,978=0,995
, 0,05%.
:
= 37620/135=276,7
=41910/150=277,4
:
277,4/276,67=0,995
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: 37620/38475=0,978
: 41610/42750=0,973
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0,973/0,978=0,995
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