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

Toán Lớp 6: 1-2-3+4+5-6-7+8+…+2001-2002-2003+2004 Giải giúp mik

Toán Lớp 6: 1-2-3+4+5-6-7+8+…+2001-2002-2003+2004
Giải giúp mik

Comments ( 2 )

  1.   1-2-3+4+5-6-7+8+…+2001-2002-2003+2004
    =(1-2-3+4)+(5-6-7+8)+…+(2001-2002-2003+2004)
    = (-4+4)+(-8+8)+….+(-2004+2004)
    =0+0+…+0
    =0
    CHÚC BN HC TỐT
     

  2. 1 – 2 – 3 + 4+ 5 – 6 – 7+8+…+2001-2002-2003+20024
    = (1-2-3+4)+(5-6-7+8)+…+(2001-2002-2003+2004)
    = (-4 + 4) + (-8 + 8) +…+ (-2004 + 2004)
    = 0 + 0 +…+ 0
    = 0
     #Mon

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