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

Toán Lớp 9: Chứng minh: 3/[căn x .(căn x-1) mũ 2 .(căn x-2)] > 1/6

Toán Lớp 9: Chứng minh:
3/[căn x .(căn x-1) mũ 2 .(căn x-2)] > 1/6

Comments ( 1 )

  1. 3/x^2:x.x^2:x-1^2=
    3/-1.-2=3/2>1/6

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

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