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04-08-2012, 09:15 PM
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#1
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1510 1000 307 4015 . .
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= 1000*7.5 = 990
= 1 = 1000*7.5 = 130
= / 10.25 = 5.5 ... =
1 :
1 = - = - 130
1 = = - = 5.5 - 990
1 / 1 = 15.66 = 0.28
( - 130 )/(5.5 - 990) = 0.28
= 272
3545 725 2240
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45 + 35 = 45.58
40 + 22 = 40.36
45.58 = 1.02
40.36 = 0.85
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=
= " "
= " "
= ( ^2 + 725^2 )
/ = 45.58 = 1.02 ... ... ... ... (1)
/( ) = 40.36 = 0.85 ... ... .... (2)
(1) (2)
= 1118
= 1924.360 <( ) = 66.5 <( ) = 40 5.8 . .
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/ = 40 = 0.6427
= 1924.36*0.6427 = 1236.954
/ = 73.5 = 0.9588
= 1236.954 / 0.9588 = 1290.079
:
( )^2 = ( )^2 + ( )^2 - 2*( )( )66.5
= (1924.360)^2 + (1290.079)^2 - 2*(1924.360)(1290.079)(0.3987)
: = 1840.613
:
( )
/ = 5.8 = 0.10157
= 1840.613 * 0.10157 = 186.95 = 187
1350 < = 108 < = 12 43 < = 10 32 ɡ < = 12 87 .
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:
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/ = 43.2 = 0.68
= 1350 * 0.68 = 924
/ = 49.6 = 0.76
= 924/0.76 = 1213
( )^2 = ( )^2 + ( )^2 - 2*( )( )( 87.2)
= (1350)^2 + (1213)^2 - 2*1350*1213*0.048 = 3136664
= 1771
/ = 32.16 = 0.53
= 1350*0.53 = 718
/ = 39.84 = 0.64
= 718/0.64 = 1120
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= 1120 = 1771 = 64.8
^2 = ( )^2 = ( )^2 + ( )^2 - 2*( )( )(64.8)
= 1650
( ) ( 3 ) .
.
( ) .
175 4
=
6
120 ϡ 38 623 68 1859 .
<( ) = 38 + 68 = 106
<( ) = 23 6 = 23.1
<( ) = 59 18 = 59.3
= / 23.1 = 120/0.42 = 285.7
= / 59.3 = 120/1.68 = 71
( )^2 = ( )^2 + ( )^2 - 2*( )( ) 106
( )^2 = (285.7)^2 + (71)^2 + 2*285.7*71*0.27
= = 312
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03-29-2014, 07:11 PM
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#2
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