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1
, 250 , q = 150 /, = = 2 .
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:
. :
.. Q = q ∙ AC;
∙.
: = 200 ∙.
2
AD = 200 ∙, q = 20 / F. , 650 ∙,
AB = BC = CD = 2 .
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:
. :
.. Q = q ∙ CD;
.
: F = 144,3 .
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