Question

помогите!!!!!!!!!!!!!!!!!!!!пж!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

$\displaystyle\bf\\\sqrt{1\frac{24}{25} } -10\sqrt{0,09}=\sqrt{\frac{49}{25} } -\sqrt{100\cdot0,09} =\frac{7}{5} -\sqrt{9} =1,4-3=-1,6$