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

Toán Lớp 9: Cho x > -1 . CM ( x^2 +5x +5 ) / (x+1 ) ≥ 5

Toán Lớp 9: Cho x > -1 . CM ( x^2 +5x +5 ) / (x+1 ) ≥ 5

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  1. Đáp án:
     
    Giải thích các bước giải:
     

    toan-lop-9-cho-1-cm-2-5-5-1-5

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