deletions | additions       diff --git a/section_text_ref_law1_ref__.tex b/section_text_ref_law1_ref__.tex  index 8649f4d..10d8779 100644  --- a/section_text_ref_law1_ref__.tex  +++ b/section_text_ref_law1_ref__.tex 
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a\cdot x(k)+k\cdot sin(k)  \end{equation}  \text { где $a$ $a  = 0.5 0.5$  - константа.}