Odpowiedź:
[tex]a)\\\\1\frac{3}{4} *1\frac{1}{7} -3:4\frac{1}{2} =\frac{7}{4} *\frac{8}{7} -3:\frac{9}{2} =2-3*\frac{2}{9}=2-\frac{2}{3} =\frac{4}{3} =1\frac{1}{3} \\\\b)\\\\1\frac{5}{7} *(2\frac{3}{4} -1\frac{2}{3} :4)=\frac{12}{7} *(\frac{11}{4} -\frac{5}{3} *\frac{1}{4} )=\frac{12}{7} *\frac{7}{3} =4\\\\c)\\\\3\frac{1}{3} *(2\frac{1}{4} -1\frac{1}{2} :5)=\frac{10}{3}*(\frac{9}{4}-\frac{3}{2} *\frac{1}{5} )=\frac{10}{3} *(\frac{9}{4} -\frac{3}{10} )=\frac{10}{3} *\frac{39}{20} =\frac{13}{2} =6\frac{1}{2} \\[/tex]
[tex]d)\\\\\frac{3\frac{1}{4}+\frac{1}{2} }{3\frac{1}{3}*(1\frac{5}{6} -1\frac{1}{12}) } =\frac{\frac{15}{4} }{\frac{10}{3} *\frac{3}{4} }=\frac{\frac{15}{4} }{5*\frac{1}{2} }=\frac{\frac{15}{4} }{\frac{5}{2} }=\frac{3}{2} =1\frac{1}{2}[/tex]
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Odpowiedź:
[tex]a)\\\\1\frac{3}{4} *1\frac{1}{7} -3:4\frac{1}{2} =\frac{7}{4} *\frac{8}{7} -3:\frac{9}{2} =2-3*\frac{2}{9}=2-\frac{2}{3} =\frac{4}{3} =1\frac{1}{3} \\\\b)\\\\1\frac{5}{7} *(2\frac{3}{4} -1\frac{2}{3} :4)=\frac{12}{7} *(\frac{11}{4} -\frac{5}{3} *\frac{1}{4} )=\frac{12}{7} *\frac{7}{3} =4\\\\c)\\\\3\frac{1}{3} *(2\frac{1}{4} -1\frac{1}{2} :5)=\frac{10}{3}*(\frac{9}{4}-\frac{3}{2} *\frac{1}{5} )=\frac{10}{3} *(\frac{9}{4} -\frac{3}{10} )=\frac{10}{3} *\frac{39}{20} =\frac{13}{2} =6\frac{1}{2} \\[/tex]
[tex]d)\\\\\frac{3\frac{1}{4}+\frac{1}{2} }{3\frac{1}{3}*(1\frac{5}{6} -1\frac{1}{12}) } =\frac{\frac{15}{4} }{\frac{10}{3} *\frac{3}{4} }=\frac{\frac{15}{4} }{5*\frac{1}{2} }=\frac{\frac{15}{4} }{\frac{5}{2} }=\frac{3}{2} =1\frac{1}{2}[/tex]