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

Toán Lớp 6: 2012×2011+2012×11+2000/2013×2011-2011×2012

Toán Lớp 6: 2012×2011+2012×11+2000/2013×2011-2011×2012

Comments ( 2 )

  1. Lời giải và giải thích chi tiết:
    (2012 . 2011 + 2012 . 11 + 2000)/(2013 . 2011 – 2011 . 2012)
    = (2012 . (2011 + 11) + 2000)/(2011 . (2013 – 2012))
    = (2012 . 2022 + 2000)/(2011 . 1)
    = ((2011 + 1) . 2022 + 2000)/2011
    = (2011 . 2022 + 2011 + 11 + 2000)/2011
    = (2011 . 2022 + 2011 + 2011)/2011
    = (2011 . (2022 + 1 + 1))/2011
    = 2022 + 1 + 1
    = 2024

  2. Giải đáp:
    2024.
    Lời giải và giải thích chi tiết:
    (2012xx2011+2012xx11+2000)/(2013xx2011-2011xx2012
    =(2012xx(2011+11)+2000)/(2011xx(2013-2012))
    =(2012xx2022+2000)/2011
    =((2011+1)xx2022+2000)/2011
    =(2011xx2022+2022+2000)/2011
    =(2011xx2022+2011+11+2000)/2011
    =(2011xx2022+2011+2011)/2011
    =(2011xx(2022+1+1))/2011
    =2022+1+1
    =2024

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