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

Toán Lớp 8: tìm x : (x²-9)(x²+x+1) 5(x-3)=x²-6x+9

Toán Lớp 8: tìm x : (x²-9)(x²+x+1)
5(x-3)=x²-6x+9

Comments ( 1 )

  1. Đáp án:
     
    Giải thích các bước giải:
     

    toan-lop-8-tim-9-1-5-3-6-9

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