Question

Пожалуйста очень срочно!

Answer 1

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Answer 2

$sqrt{1frac{9}{16} } -10sqrt{1.69}= sqrt{frac{25}{16} }-10sqrt{1.69} =frac{5}{4}-10*1.3 =\\=frac{5}{4} -13=frac{5-13*4}{4}=frac{5-52}{4}= -frac{47}{4}$