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

Toán Lớp 11: Tại sao x^2/x^5 lại bằng 1/x^3

Toán Lớp 11: Tại sao x^2/x^5 lại bằng 1/x^3

Comments ( 2 )

  1. #andy
    \[\begin{array}{l}
    \frac{{{x^2}}}{{{x^5}}} = \frac{{{x^2}}}{{{x^2}.{x^3}}} = \frac{1}{{{x^3}}}(x \ne 0)(dpcm)\\

    \end{array}\]

  2. chúc bn hc tốt vote mk 5* và ctlhn nhé

    toan-lop-11-tai-sao-2-5-lai-bang-1-3

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

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