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KazimirenkoAlex
@KazimirenkoAlex
October 2021
2
12
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упростите алгебраическое выражение 3a-(2a-(a-7))
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lolkeklol2016
3а-(2а-(а-7))=3а-(2а-а+7)=3а-2а+а-7=2а-7;
2 votes
Thanks 6
Aquarius44
3а-(2а-а+7)=3а-(а+7)=3а-а-7=2а-7
3 votes
Thanks 1
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