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

Toán Lớp 6: (-1235)-[35^2+95(-13)]+(35^2-2021)

Toán Lớp 6: (-1235)-[35^2+95(-13)]+(35^2-2021)

Comments ( 2 )

  1. (-1235)-[35^2+95.(-13)]+(35^2-2021)

    =(-1235)-[35^2+(-1235]+(35^2-2021)

    =(-1235)-(35^2-1235)+(35^2-2021)

    =(-1235)-35^2+1235+35^2-2021

    =[(-1235)+1235]+[(-35^2)+35^2]-2021

    =0+0-2021

    =-2021

  2. Giải đáp + Lời giải và giải thích chi tiết:

    (-1235)-[35^2+95.(-13)]+(35^2-2021)

    =(-1235)-[35^2+(-1235)]+(35^2-2021)

    =(-1235)-(35^2-1235)+(35^2-2021)

    =(-1235)-35^2+1235+35^2-2021

    =[(-1235)+1235)+(-35^2+35^2)-2021

    =0+0-2021

    =0-2021

    =-2021

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