Решение
Проведём соответствующие расчеты:
A
:
=
Б
:
=
В
:
=
Ответ
10989
![S[A] = `+`(`*`(3, 3500), `*`(`+`(`*`(8, `*`(`*`(900, `/`(1, 100))))), 28))](im/m_155.gif){kind=small}
= ![S[A] = 12516](im/m_156.gif){kind=small}
![S[] = `+`(`*`(3, 2700), `*`(`+`(`*`(11, `*`(`*`(900, `/`(1, 100))))), 30))](im/m_157.gif){kind=small}
= ![S[] = 11070](im/m_158.gif){kind=small}
![S[] = `+`(`*`(3, 3000), `*`(`+`(`*`(13, `*`(`*`(900, `/`(1, 100))))), 17))](im/m_159.gif){kind=small}
= ![S[] = 10989](im/m_160.gif){kind=small}
= = =