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1-6: . ( )
7: 5 ., * ( 10, 8 ) - 5 * : 10, 5 .
8: 5 ., *( 10, 8 ) - 5 *, : 10, 5 .
9-14:
15: 6., 8 , *( 10., 8 )* - 5 , 6 .
16: 6., 8 , *( 10., 8 )* - 5 , 6
17: 1- .
1. : , , , , , .
2. , , / - .
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> Sharon Matarazzo |
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« » Sharon Matarazzo. , . , , . , , !
, , . , , , , .
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.
: 1 – 2,7., 1 – 4.
8 . .
– (), L1 R1.
– , L2 R2.
() = 56 = L1.
L1 = 2πR1, π = 3,14 ( ),
R1 = L1/2π = 56/(23,14) = 9
5-7 .
R2 = R1 + 5 = 9 + 5 = 14 = 38.
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.
L
L = R2 + (R2 – R1) = 14 + 5 = 19 = 38. + 14. = 52.
= 2 = 6.
.
« » , «».
= /8 = 56/8 = 7 = 28.
= L2/8 = 88/8 = 11 = 44.
L2 = 2πR2 = 23,1414 = 88
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.
:
= L + 2 = 52. + 12. = 64.
64. .
1 .
. ∆ 1. 38. 22.
∆ 1 = R2 = 14 = 38.
∆ 1 = /2 = 44./2 = 22.
22./2 = 11 .
38./11 = 3.( 5.)
5 4 6 3 .
∆ 2, .. /2 = 14.
( 15.), ∆ 2. 14. 8.
∆ 2 = R2 – R1 = 5 = 14.
∆ 2 = ( – )/2 = (44. – 28.)/2 = 8.
8./2 = 4 . .
14./5 = 2.( 4.)
4 3. 1- 12 (16.) 2. (5- ) , 22- ( ). .
2- ( ), ∆ 1, ∆ 2.
12 (32.), 43. 44.
7 .
2- 1- , 1- .
. .
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