СРОЧНО!!! 1) ([latex]5 \sqrt{3} [/latex]+[latex] \sqrt{27} [/latex])[latex] \sqrt{3} [/latex] 2) ([latex] \sqrt{5}-1 [/latex])[latex] ^{2} [/latex]([latex]2 \sqrt{5}+1 [/latex])[latex] ^{2} [/latex]

Question

СРОЧНО!!! 1) ([latex]5 \sqrt{3} [/latex]+[latex] \sqrt{27} [/latex])[latex] \sqrt{3} [/latex] 2) ([latex] \sqrt{5}-1 [/latex])[latex] ^{2} [/latex]([latex]2 \sqrt{5}+1 [/latex])[latex] ^{2} [/latex]

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Ответ(ы) на вопрос:

Accepted Answer

(5√3+√27)*√3=5√3*√3+√27*√3=5*3+√81=15+9=24 (√5-1)² *(√5+1)²=((√5-1)*(√5+1))²=((√5)²-1²)²=(5-1)²=4²=16