Чему равно значение числового выражения
[tex] \frac{1}{2} * \sqrt{7}* \frac{1}{7} * \sqrt{28} [/tex]
[tex] \frac{1}{2} * \sqrt{7}* \frac{1}{7} * \sqrt{28} [/tex]
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(1/2)*√7**(1/7)*√28=(1/2)*(√7)²*(1/7)*2=1√28=√4*√7=2√7