[tex]\sqrt{12,25} \\\\= \sqrt{\cfrac{1225}{100} }\\\\= \cfrac{ \sqrt{1225}}{ \sqrt{100}}\\\\= \cfrac{35}{10} \\\\= \cfrac{7}{2}[/tex]
[tex]= \sqrt{\cfrac{576}{100} }\\\\= \cfrac{24}{10} \\\\= \cfrac{12}{5}[/tex]
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[tex]\sqrt{12,25} \\\\= \sqrt{\cfrac{1225}{100} }\\\\= \cfrac{ \sqrt{1225}}{ \sqrt{100}}\\\\= \cfrac{35}{10} \\\\= \cfrac{7}{2}[/tex]
[tex]= \sqrt{\cfrac{576}{100} }\\\\= \cfrac{24}{10} \\\\= \cfrac{12}{5}[/tex]