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

Toán Lớp 9: Chứng minh rằng: S = 2 + 2 ^ 2 + 2 ^ 3 + – + 2 ^ 8 ⋮ -6

Toán Lớp 9: Chứng minh rằng: S = 2 + 2 ^ 2 + 2 ^ 3 + …. + 2 ^ 8 ⋮ -6

Comments ( 1 )

  1.  S= (2+2²+2³+….+2^8)/-6
    S= ( 2+4+8+16+32+64+128+256)/-6
    S= 510/-6
    S=-85
     

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

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