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

Toán Lớp 6: ( 9+2 )mũ 2+ ( 9-2 )mũ 2- ( 1 mũ 2+ 2 mũ 3 )

Toán Lớp 6: ( 9+2 )mũ 2+ ( 9-2 )mũ 2- ( 1 mũ 2+ 2 mũ 3 )

Comments ( 2 )

  1. (9+2)^2+(9-2)^2-(1^2+2^3)
    =11^2+7^2-(1+8)
    =121+49-9
    =121+40
    =161

  2. \text{(9+2)}$^{2}+(9-2)$ $^{2}-($ $1^{2}+$ $2^{3})$
    \text{=}$11^{2}+$ $7^{2}-(1+8)$
    \text{=121+49-9}
    \text{=170-9}
    \text{=161}
    \text{#mct}

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