5а - [6a - {9a - (10a - 4а - За)}}
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Answered by
1
Answer:
5a-(6a-(9a-(3a))))
5a-(6a-(6a)))
5a-0
5a
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Step-by-step explanation:
Answered by
1
Answer:
5a
Step-by-step explanation:
5а - [6a - {9a - (10a - 4а - За)}}
= 5а - [6a - {9a - (10a - 7a)}}
= 5а - [6a - {9a - (3a)}}
= 5а - [6a - {9a - 3a}}
= 5а - [6a - {6a}}
= 5а - (6a - 6a)
= 5a - 0a
= 5a
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