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

Toán Lớp 6: Cho A=2⁰+2¹+2²+2³+-..+2²⁰²² hãy viết A+1 dưới dạng một lũy thừa

Toán Lớp 6: Cho A=2⁰+2¹+2²+2³+……+2²⁰²² hãy viết A+1 dưới dạng một lũy thừa

Comments ( 2 )

  1. \text {@Luffy Cat}
          A=$2^{0}$ + $2^{1}$ + $2^{2}$ + . . . + $2^{2022}$
        2A=$2^{1}$ + $2^{2}$ + $2^{3}$ + . . . + $2^{2023}$
    2A-A=($2^{1}$ + $2^{2}$ + $2^{3}$ + . . . + $2^{2023}$)-($2^{0}$ + $2^{1}$ + $2^{2}$ + . . . + $2^{2022}$)
          A=$2^{2023}$-1
      A+1=$2^{2023}$

  2. A = 2^0 + 2^1 + 2^2 + … + 2^2022
    2A = 2^1 + 2^2 + 2^3 + … + 2^2023
    2A – A = (2^1 + 2^2 + 2^3 + … + 2^2023) – (2^0 + 2^1 + 2^2 + … + 2^2022)
    A = 2^2023 – 2^0
    A = 2^2023 – 1
    Ta có:
    A + 1 = 2^2023 – 1 + 1
    A + 1 = 2^2023

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