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nastyyy6
@nastyyy6
July 2022
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A+(B-2A-(A-B)) Если А=2a+3b, B=4a+6b
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dssh122
А+(В-2А-(А-В)) = А+(В-2А-А+В) = А+В-3А+В = 2В-2А
2(4а+6b) - 2(2a+3b) = 8a+12b - 4a-6b = 4a+6b = B
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А+(В-2А-(А-В)) = А+(В-2А-А+В) = А+В-3А+В = 2В-2А
2(4а+6b) - 2(2a+3b) = 8a+12b - 4a-6b = 4a+6b = B