z góry dziękuję.mam nadziej ze ktoś mi dość szybko pomoże

a)
[tex]\frac{1}{4} = \frac{2}{8}[/tex]
[tex]\frac{3}{7} = \frac{6}{14}[/tex]
[tex]\frac{2}{10} = \frac{4}{20}[/tex]
b)
[tex]\frac{1}{3} = \frac{3}{9}[/tex]
[tex]\frac{3}{4} = \frac{9}{12}[/tex]
[tex]\frac{5}{9} = \frac{15}{27}[/tex]
c)
[tex]\frac{1}{2} = \frac{5}{10}[/tex]
[tex]\frac{2}{6} = \frac{10}{30}[/tex]
[tex]\frac{3}{8} = \frac{15}{40}[/tex]
:)
a)1/4=2/8
3/7=6/14
2/10=4/20
b)1/3=3/9
3/4=9/12
5/9=15/27
c)1/2=5/10
2/6=10/30
3/8=15/40