Ответ:
а) \(\sqrt{50\cdot98}=\sqrt{4900}=70\).
б) \(\sqrt{32\cdot128}=\sqrt{4096}=64\).
в) \(\sqrt{2.5\cdot12.1}=\sqrt{30.25}=5.5\).
г) \(\sqrt{17\cdot51\cdot27}=\sqrt{23409}=153\).
д) \(\sqrt{3.2\cdot7.2\cdot49}=\sqrt{1128.96}=33.6\).
е) \(\sqrt{2.5\cdot12.5\cdot20}=\sqrt{625}=25\).
