Давай решим это задание по порядку!
а) \(\sqrt{9 \cdot 36} = \sqrt{9} \cdot \sqrt{36} = 3 \cdot 6 = 18\)
б) \(\sqrt{25 \cdot 81} = \sqrt{25} \cdot \sqrt{81} = 5 \cdot 9 = 45\)
в) \(\sqrt{16 \cdot 900} = \sqrt{16} \cdot \sqrt{900} = 4 \cdot 30 = 120\)
г) \(\sqrt{2500 \cdot 49} = \sqrt{2500} \cdot \sqrt{49} = 50 \cdot 7 = 350\)
а) \(\sqrt{0.64 \cdot 25} = \sqrt{0.64} \cdot \sqrt{25} = 0.8 \cdot 5 = 4\)
б) \(\sqrt{0.49 \cdot 16} = \sqrt{0.49} \cdot \sqrt{16} = 0.7 \cdot 4 = 2.8\)
в) \(\sqrt{9 \cdot 1.21} = \sqrt{9} \cdot \sqrt{1.21} = 3 \cdot 1.1 = 3.3\)
г) \(\sqrt{400 \cdot 0.36} = \sqrt{400} \cdot \sqrt{0.36} = 20 \cdot 0.6 = 12\)
а) \(\sqrt{0.09 \cdot 0.25} = \sqrt{0.09} \cdot \sqrt{0.25} = 0.3 \cdot 0.5 = 0.15\)
б) \(\sqrt{0.81 \cdot 0.04} = \sqrt{0.81} \cdot \sqrt{0.04} = 0.9 \cdot 0.2 = 0.18\)
в) \(\sqrt{6.25 \cdot 0.16} = \sqrt{6.25} \cdot \sqrt{0.16} = 2.5 \cdot 0.4 = 1\)
г) \(\sqrt{0.36 \cdot 1.44} = \sqrt{0.36} \cdot \sqrt{1.44} = 0.6 \cdot 1.2 = 0.72\)
а) \(\sqrt{25 \cdot 16 \cdot 0.36} = \sqrt{25} \cdot \sqrt{16} \cdot \sqrt{0.36} = 5 \cdot 4 \cdot 0.6 = 12\)
б) \(\sqrt{196 \cdot 2.25 \cdot 0.09} = \sqrt{196} \cdot \sqrt{2.25} \cdot \sqrt{0.09} = 14 \cdot 1.5 \cdot 0.3 = 6.3\)
в) \(\sqrt{1.69 \cdot 0.04 \cdot 0.0001} = \sqrt{1.69} \cdot \sqrt{0.04} \cdot \sqrt{0.0001} = 1.3 \cdot 0.2 \cdot 0.01 = 0.0026\)
a) \(\sqrt{40 \cdot 490} = \sqrt{40 \cdot 49 \cdot 10} = \sqrt{400 \cdot 49} = \sqrt{400} \cdot \sqrt{49} = 20 \cdot 7 = 140\)
б) \(\sqrt{10 \cdot 640} = \sqrt{6400} = 80\)
в) \(\sqrt{18 \cdot 32} = \sqrt{9 \cdot 2 \cdot 16 \cdot 2} = \sqrt{9 \cdot 16 \cdot 4} = 3 \cdot 4 \cdot 2 = 24\)
г) \(\sqrt{8 \cdot 800} = \sqrt{6400} = 80\)
д) \(\sqrt{12 \cdot 27} = \sqrt{4 \cdot 3 \cdot 9 \cdot 3} = \sqrt{4 \cdot 9 \cdot 9} = 2 \cdot 3 \cdot 3 = 18\)
a) \(\sqrt{2.5 \cdot 40} = \sqrt{100} = 10\)
б) \(\sqrt{6.4 \cdot 90} = \sqrt{64 \cdot 9} = 8 \cdot 3 = 24\)
в) \(\sqrt{4.9 \cdot 0.9} = \sqrt{49 \cdot 0.09} = 7 \cdot 0.3 = 2.1\)
г) \(\sqrt{12.1 \cdot 0.4} = \sqrt{121 \cdot 0.04} = 11 \cdot 0.2 = 2.2\)
д) \(\sqrt{5 \cdot 45} = \sqrt{225} = 15\)
a) \(\sqrt{2} \cdot \sqrt{18} = \sqrt{2 \cdot 18} = \sqrt{36} = 6\)
б) \(\sqrt{3} \cdot \sqrt{48} = \sqrt{3 \cdot 48} = \sqrt{144} = 12\)
в) \(\sqrt{13} \cdot \sqrt{52} = \sqrt{13 \cdot 52} = \sqrt{13 \cdot 4 \cdot 13} = \sqrt{4 \cdot 169} = 2 \cdot 13 = 26\)
г) \(\sqrt{12} \cdot \sqrt{75} = \sqrt{12 \cdot 75} = \sqrt{4 \cdot 3 \cdot 25 \cdot 3} = \sqrt{4 \cdot 25 \cdot 9} = 2 \cdot 5 \cdot 3 = 30\)
a) \(\sqrt{4.5} \cdot \sqrt{72} = \sqrt{4.5 \cdot 72} = \sqrt{324} = 18\)
б) \(\sqrt{12.5} \cdot \sqrt{198} = \sqrt{12.5 \cdot 198} = \sqrt{\frac{25}{2} \cdot 198} = \sqrt{25 \cdot 99} = 5 \cdot \sqrt{99}\)
в) \(\sqrt{0.4} \cdot \sqrt{3.6} = \sqrt{0.4 \cdot 3.6} = \sqrt{1.44} = 1.2\)
г) \(\sqrt{200} \cdot \sqrt{0.18} = \sqrt{200 \cdot 0.18} = \sqrt{36} = 6\)
a) \(\sqrt{\sqrt{7}} \cdot \sqrt{2} \cdot \sqrt{34} = \sqrt{\sqrt{7} \cdot 2 \cdot 34} = \sqrt{\sqrt{7} \cdot 68} = \sqrt{\sqrt{7} \cdot 4 \cdot 17} = \sqrt{\sqrt{7} \cdot 4 \cdot 17}\)
б) \(\sqrt{\sqrt{11}} \cdot \sqrt{\frac{1}{13}} \cdot \sqrt{3} = \sqrt{\sqrt{11} \cdot \frac{1}{13} \cdot 3} = \sqrt{\sqrt{11} \cdot \frac{3}{13}} \)
в) \(\sqrt[3]{\sqrt{3}} \cdot \sqrt[3]{\sqrt{7}} = \sqrt[3]{\sqrt{3} \cdot \sqrt{7}} = \sqrt[3]{\sqrt{21}}\)
Ответ: Решения выше.
Ты отлично справляешься! Продолжай в том же духе, и у тебя все получится!