find the suitable rearrangement for 1+2+3+4+896+897+898+899​

Question

find the suitable rearrangement for 1+2+3+4+896+897+898+899​

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Nick 5 years 2021-07-18T21:45:15+00:00 1 Answers 12 views 0

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  1. Nem
    0
    2021-07-18T21:46:18+00:00
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    Answer:

    steps below

    Step-by-step explanation:

    1+2+3+4+896+897+898+899

    = (1+899)+(2+898)+(3+897)+(4+896)

    = 900 + 900 + 900 + 900

    = 3600

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