thu gọn biểu thức sau : A= 1/2x^3 – 2x^2 – 4x – 1/2x^3 – x+1

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thu gọn biểu thức sau : A= 1/2x^3 – 2x^2 – 4x – 1/2x^3 – x+1

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Delwyn 5 years 2021-05-19T10:19:32+00:00 2 Answers 37 views 0

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  1. phucdien
    0
    2021-05-19T10:20:40+00:00
    Reply

    A= (1/2x³-1/2x³)-(4x+x)-2x²+1

    A= -5x-2x²+1

     

  2. yenoanh
    0
    2021-05-19T10:20:52+00:00
    Reply

    @Cua

    thu-gon-bieu-thuc-sau-a-1-2-3-2-2-4-1-2-3-1

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )