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

Toán Lớp 9: $\sqrt{(\sqrt{3}-3)^{2}}$ + $\sqrt{4 – 2\sqrt{3}}$

Toán Lớp 9: $\sqrt{(\sqrt{3}-3)^{2}}$ + $\sqrt{4 – 2\sqrt{3}}$

Comments ( 2 )

  1. $\textit{Giải đáp + Lời giải và giải thích chi tiết:}$
    \sqrt{(\sqrt{3}-3)^2}+\sqrt{4-2\sqrt{3}}
    =|\sqrt{3}-3|+\sqrt{3-2\sqrt{3}+1}
    =3-\sqrt{3}+\sqrt{(\sqrt{3}-1)^2}
    =3-\sqrt{3}+|\sqrt{3}-1|
    =3-\sqrt{3}+\sqrt{3}-1
    =2
     

  2. \sqrt[(\sqrt[3]-3)^2] +\sqrt[4-2\sqrt[3]]
    =|\sqrt[3]-3|+\sqrt[(\sqrt[3]-1)^2]
    =3-\sqrt[3]+|\sqrt[3]-1|
    =3-\sqrt[3]+\sqrt[3]-1
    =2

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