13
8a/c - 64a2 + c2/8ac + c-64a/8a При a =17 c = 60
8a/c - 64a2 + c2/8ac + c-64a/8a=-64ac/8ac=-8
14
505,75 = 8,5^2 * R
R=505,75/8,5^2=7
15
нет решений
16
am=1/2 ac=18:2=9см.
17
(180-44):2=68
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Answers & Comments
13
8a/c - 64a2 + c2/8ac + c-64a/8a При a =17 c = 60
8a/c - 64a2 + c2/8ac + c-64a/8a=-64ac/8ac=-8
14
505,75 = 8,5^2 * R
R=505,75/8,5^2=7
15
нет решений
16
am=1/2 ac=18:2=9см.
17
(180-44):2=68