Помогите, пожалуйста. . Created by ibruha2. algebra-ru

Помогите, пожалуйста. ...

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$1)2\sqrt{14} +5\sqrt{14}=7\sqrt{14}\\\\2)1,5\sqrt{17}-0,8\sqrt{17}=0,7\sqrt{17}\\\\3)12\sqrt{6}-5\sqrt{6}-7\sqrt{6} =12\sqrt{6}-12\sqrt{6}=0\\\\4)4,5\sqrt{3}-0,7\sqrt{3}=3,8\sqrt{3}\\\\5)\frac{8}{11}\sqrt{17}-\frac{5}{11}\sqrt{17}=\frac{3}{11}\sqrt{17}\\\\6)1,5\sqrt{13}+1,7\sqrt{13}-4\sqrt{13}=3,2\sqrt{13}-4\sqrt{13}=-0,8\sqrt{13}$

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Ответ:

7 $\sqrt{14}$

Объяснение:

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