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

Toán Lớp 9: căn 27-6 căn 1/3 + căn 3-3/căn 3

Toán Lớp 9: căn 27-6 căn 1/3 + căn 3-3/căn 3

Comments ( 1 )

  1. Bạn tham khảo nhé.
    \sqrt{27}-6\sqrt{1/3}+\frac{\sqrt{3}-3}{\sqrt{3}}
    =\sqrt{3^2 .3}-\frac{2\sqrt{3}.\sqrt{3}}{\sqrt{3}}+\frac{\sqrt{3}(1-\sqrt{3})}{\sqrt{3}}
    =3\sqrt{3}-2\sqrt{3}+1-\sqrt{3}
    =1
     

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

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