Предмет: Математика, автор: vertildenis77

пж срочно дам 30 б пжжжжжжжжжжжжжжжжжжж

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Автор ответа: hypefaq

$5*3\frac{3}{5} =\frac{5}{1} *\frac{18}{5} =18\\\\\frac{7}{10} +\frac{3}{5} :2=\frac{7}{10}+\frac{3}{5} *\frac{1}{2} =\frac{7}{10} +\frac{3}{10} =\frac{10}{10} =1\\\\1:\frac{1}{14} =\frac{1}{1} *\frac{14}{1} =14\\\\7\frac{1}{15} *3-4\frac{4}{5} =\frac{106}{15} *\frac{3}{1} -\frac{24}{5} =\frac{106}{5} -\frac{24}{5} =\frac{82}{5} =16\frac{2}{5} \\\\1\frac{1}{10} :\frac{1}{10} =\frac{11}{10} *\frac{10}{1} =11\\\\39-1\frac{1}{5} :\frac{6}{55} =39-\frac{6}{5} *\frac{55}{6} =39-11=28$

$3^{2} +2\frac{2}{5} :\frac{3}{5} =9+\frac{12}{5} *\frac{5}{3} =9+4=13\\\\1\frac{1}{5} *\frac{5}{6} =\frac{6}{5} *\frac{5}{6} =1$

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