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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: C=1-2-3-4+5-6-7-8=2017-2018-2019+2020

Toán Lớp 6: C=1-2-3-4+5-6-7-8-….-2017-2018-2019+2020

Comments ( 2 )

  1. Giải đáp:
    C = 1-2-3+4+5-6-7+8+…+2017-2018-2019+2020
    =(1-2-3+4)+(5-6-7+8)+(9-10-11+12)+…+(2017-2018-2019+2020)
    =0+0+0+…+0
    =0
    ∘ dariana 

  2. Lời giải và giải thích chi tiết:
    C=1-2-3+4+5-6-7+8-….+2017-2018-1019+2020
    C=(1-2-3+4)+(5-6-7+8)+……+(2017-2018-2019+2020)
    C=0 + 0 +…………+ 0
    C=0
    Vậy   C=0

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222-9+11+12:2*14+14 = ? ( )