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1). 92). 73). 54). 19

Answer»

$(\begin{ARRAY}{l} \RIGHTARROW \sqrt[3]{{\left( {340 + \SURD 9} \right)}}\\ \Rightarrow \sqrt[3]{{\left( {340 + 3} \right)}}\\ \Rightarrow \sqrt[3]{{343}}\\\THEREFORE \sqrt[3]{{\left( {343 + \sqrt 9 } \right)}} = 7\end{array})$



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