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

Toán Lớp 9: 2x + 2 căn (x) +2 bào bao nhiêu ạ

Toán Lớp 9: 2x + 2 căn (x) +2 bào bao nhiêu ạ

Comments ( 2 )

  1. 2x + 2sqrtx +2 = 2(x+sqrtx+1) 
    Chúc bạn học tốt.

  2. 2x + 2$\sqrt{x}$  + 2 = 2(x + $\sqrt{x}$  + 1) = 2$(\sqrt{x}$ + $\frac{1}{2})^{2}$  + $\frac{3}{2}$ 

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

About Thúy Mai