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

Toán Lớp 9: Helpppppppppppp me 1 câu : Căn x +5 chia căn x +2 Mk xin cả số dư nhé

Toán Lớp 9: Helpppppppppppp me
1 câu :
Căn x +5 chia căn x +2
Mk xin cả số dư nhé

Comments ( 1 )

  1. Giải đáp:

    $\begin{array}{l}
    Dkxd:x \ge 0\\
    \left( {\sqrt x  + 5} \right):\left( {\sqrt x  + 2} \right)\\
     = \left( {\sqrt x  + 2 + 3} \right):\left( {\sqrt x  + 2} \right)\\
     = 1\,dư\,3
    \end{array}$

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

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