Ответ : 1) 102. 2)203. 3)806.
<span>A-M/A-B=C-D/C-E
( А - М )( С - Е ) = ( А - В )( С - D )
A - M = (( A - B )( C - D )) / ( C - E )
M = A - </span><span>(( A - B )( C - D )) / ( C - E )
M = ( A( C - E ) - ( A - B )( C - D )) / ( C - E )
M = ( AC - AE - ( AC - AD - BC + CD ) / ( C - E )
M = ( AC - AE - AC + AD + BC - CD ) / ( C - E )
M = ( AD + BC - AE - CD ) / ( C - E ) </span>
= - 54,93 - 3 4/7- (-7,12) - (- 54,63) - 1 3/7=1,82