Question

помогите решить пажалуйста!​

Answer 1

$\sqrt{25 \times 81} = 5 \times 9 = 45 \\ \sqrt{0.64 \times 900} = 0.8 \times 30 = 24 \\ \sqrt{75 \times 48} = \sqrt{3600} = 60 \\ \sqrt{1.6 \times 4.9 \times 0.25} = \sqrt{1,96} =1.4 \\ \sqrt{104 {}^{2} - 40 {}^{2} } = \sqrt{(104 - 40) \times (104 + 40)} = \sqrt{64 \times 144} = 8 \times 12 = 96 \\ \frac{ \sqrt{27} }{ \sqrt{147} } = \frac{ \sqrt{9} }{ \sqrt{49} } = \frac{3}{7}$