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

Toán Lớp 8: cho mình hỏi ngu tý $AB^2$ = $3a^2$ thì AB = ???

Toán Lớp 8: cho mình hỏi ngu tý $AB^2$ = $3a^2$ thì AB = ???

Comments ( 2 )

  1. Giải
      Vì $AB^2$ = $3a^2$
     ⇒ $AB$ = $a√3$

  2.  $Quangphuc347$????
     Ta có
    $AB^2$ = $3a^2$
    ⇒ $AB$ = a√3.
    xin hay nhất !
     

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

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