Ответ:
1.
6a-a+12-11-a
4a+1
2.
-3(c-5-2(c+3))
-3(c-5-2c-6)
-3(-c-11)
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Answers & Comments
Ответ:
1.
6a-a+12-11-a
4a+1
2.
-3(c-5-2(c+3))
-3(c-5-2c-6)
-3(-c-11)