Разложи на множители и выбери верные ответы 1,44a^2b^2-0,25c^2= (1,2ab-0,5c)^2 (1,2ab-0,5c)(1,2ab+0,5c) (1,2ab-0,5c)(1,2ab-0,5c) 0,09m^2-6mn+100n^2= (0,3m-10n)(0,3m+10n) (0,3m-10n)^2 (0,3m+10n)^2 \dfrac19 x^2-\dfrac{1}{25}= (\cfrac13 x-\cfrac15)(\cfrac13 x-\cfrac15) (\cfrac13 x-\cfrac15)^2 (\cfrac13 x-\cfrac15)(\cfrac13 x+\cfrac15)
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Задание

Разложи на множители и выбери верные ответы

\(1,44a^2b^2-0,25c^2=\)

  • \((1,2ab-0,5c)^2\)
  • \((1,2ab-0,5c)(1,2ab+0,5c)\)
  • \((1,2ab-0,5c)(1,2ab-0,5c)\)

\(0,09m^2-6mn+100n^2=\)

  • \((0,3m-10n)(0,3m+10n)\)
  • \((0,3m-10n)^2\)
  • \((0,3m+10n)^2\)

\(\dfrac19 x^2-\dfrac{1}{25}=\)

  • \((\cfrac13 x-\cfrac15)(\cfrac13 x-\cfrac15)\)
  • \((\cfrac13 x-\cfrac15)^2\)
  • \((\cfrac13 x-\cfrac15)(\cfrac13 x+\cfrac15)\)

Тот же тест