Ответ:
6a + 1
Пошаговое объяснение:
- a - ( - 2a - ( 4a - ( - a - 1 ))) =
= - a - ( - 2a - ( 4a + a + 1 )) =
= - a - ( - 2a - 4a - a - 1 ) =
= - a + 2a + 4a + a + 1 =
= 6a + 1 .
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Ответ:
6a + 1
Пошаговое объяснение:
- a - ( - 2a - ( 4a - ( - a - 1 ))) =
= - a - ( - 2a - ( 4a + a + 1 )) =
= - a - ( - 2a - 4a - a - 1 ) =
= - a + 2a + 4a + a + 1 =
= 6a + 1 .