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Marianaf78
@Marianaf78
July 2022
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упростите выражение – 12(7 – 2b) – 9(7b – 5) – 3 ( 15 + 8b) и найдите его значение
при b = – 1
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prettypushkova
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-84 + 24b - 63b + 45 - 45 - 24b = -63b - 84 = -63* (-1) - 84 = 63 - 84 = -21
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Marianaf78
Чувак , спасибо ;)
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Verified answer
-84 + 24b - 63b + 45 - 45 - 24b = -63b - 84 = -63* (-1) - 84 = 63 - 84 = -21