Odpowiedź:
[tex]a)\\\\\frac{7}{8} :3=\frac{7}{8*3}=\frac{7}{24} \\\\\\5 : 2\frac{1}{4} =\frac{5*4}{9} =\frac{20}{9}=2\frac{2}{9} \\\\7\frac{1}{4}:9=\frac{29}{4*9}=\frac{29}{36} \\\\b)\\\\\frac{2}{5} :\frac{3}{4}=\frac{2*4}{5*3}=\frac{2*4}{15}=\frac{8}{15} \\\\4\frac{3}{8}:\frac{2}{3} =\frac{35*3}{8*2}=\frac{35*3}{16}=\frac{105}{6}=17\frac{1}{2} \\\\1\frac{1}{3}:1\frac{4}{5} =\frac{4*5}{3*9} =\frac{4*5}{27}=\frac{20}{27}[/tex]
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Odpowiedź:
[tex]a)\\\\\frac{7}{8} :3=\frac{7}{8*3}=\frac{7}{24} \\\\\\5 : 2\frac{1}{4} =\frac{5*4}{9} =\frac{20}{9}=2\frac{2}{9} \\\\7\frac{1}{4}:9=\frac{29}{4*9}=\frac{29}{36} \\\\b)\\\\\frac{2}{5} :\frac{3}{4}=\frac{2*4}{5*3}=\frac{2*4}{15}=\frac{8}{15} \\\\4\frac{3}{8}:\frac{2}{3} =\frac{35*3}{8*2}=\frac{35*3}{16}=\frac{105}{6}=17\frac{1}{2} \\\\1\frac{1}{3}:1\frac{4}{5} =\frac{4*5}{3*9} =\frac{4*5}{27}=\frac{20}{27}[/tex]