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Njashka
@Njashka
July 2022
2
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упростите выражение: 18а - 6 * (3+а)
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nura
18а - 6 * (3+а)-6*(3+а) применяем распределительный закон: -6*3+(-6+а)=-18-6а
получается 18а-18-6а=12а-18
5 votes
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юлька152
18a-18+6а=18а+6а=24а-18
1 votes
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получается 18а-18-6а=12а-18