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

Toán Lớp 6: 1 -2-3+4+5-6-7+8+-+2005-2006-2007+2008=?

Toán Lớp 6: 1 -2-3+4+5-6-7+8+….+2005-2006-2007+2008=?

Comments ( 2 )

  1. Giải đáp:
    1 -2-3+4+5-6-7+8+….+2005-2006-2007+2008=0
    Lời giải và giải thích chi tiết:
    1-2-3+4+5-6-7+8+….+2005-2006-2007+2008
    =( 1 – 2 – 3 +4 ) + (5 – 6 – 7 + 8) + … + (2005 – 2006 – 2007 + 2008)
    = 0 + 0 + … + 0
    =0
    chúc bạn học tốt

  2. 1 – 2 – 3 + 4 + 5 – 6 – 7 + 8 + … + 2005 – 2006 – 2007 + 2008
    = (1 – 2 – 3 + 4) + (5 – 6 – 7 + 8) + … + (2005 – 2006 – 2007 + 2008)
    = 0 + 0 + … + 0
    = 0

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

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