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Dsjssjj
@Dsjssjj
July 2022
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Ном 2 и 5 пожалуйста
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КоРоМеЛьКа
2. 1) -2,4а*(-5в)=12ав
2) 9а-а-8в+3в=8а-5в
3) а+(а-10)-(15+а)=а+а-10-15-а=а-25
4) -4(в-4)+7(в+2)=-4в+16+7в+14=3в+30
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Answers & Comments
2) 9а-а-8в+3в=8а-5в
3) а+(а-10)-(15+а)=а+а-10-15-а=а-25
4) -4(в-4)+7(в+2)=-4в+16+7в+14=3в+30