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

Toán Lớp 9: Tính: ∛20-14 √2 + ∛20+14 √2

Toán Lớp 9: Tính:
∛20-14 √2 + ∛20+14 √2

Comments ( 2 )

  1. Đây Nha Bạn 
    Cho mk xin ctlhn
     

    toan-lop-9-tinh-20-14-2-20-14-2

  2. $\text{∛20-14√2+∛20+14√2}$
    $\text{=∛(2-√2)³+∛(2+√2)³}$
    $\text{=2-√2+2+√2}$
    $\text{=4}$

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