Răspuns :
12/18=6/9=2/3
20/15=4/3
24/28=12/14=6/7
14/42=2/6=1/3
30/12=15/6=5/2
25/45=5/9
32/40=16/20=8/10=4/5
36/27=12/9=4/3
28/42=14/21=2/3
48/32=24/16=12/8=6/4=3/2
16/40=4/10=2/5
45/27=9/3=3
40/48=12/10=6/5
20/15=4/3
24/28=12/14=6/7
14/42=2/6=1/3
30/12=15/6=5/2
25/45=5/9
32/40=16/20=8/10=4/5
36/27=12/9=4/3
28/42=14/21=2/3
48/32=24/16=12/8=6/4=3/2
16/40=4/10=2/5
45/27=9/3=3
40/48=12/10=6/5
[tex] \frac{12}{18} ^{2} = \frac{6}{9}^{2} = \frac{2}{3} [/tex]
[tex] \frac{20}{15}^{5} = \frac{4}{3} [/tex]
[tex] \frac{24}{28} ^{2} = \frac{12}{14}^{2} = \frac{6}{7} [/tex]
[tex] \frac{14}{42} ^{2} = \frac{7}{21} [/tex]=/frac{2}{7}
[tex] \frac{30}{12} ^{6} = \frac{5}{2} [/tex]
[tex] \frac{25}{45}^{5} = \frac{5}{9} [/tex]
[tex] \frac{32}{40}^{2} = \frac{16}{20}^{2} = \frac{8}{10} ^{2} = \frac{4}{5} [/tex]
[tex] \frac{36}{27} ^{9} = \frac{4}{3} [/tex]
[tex] \frac{28}{42} ^{2} = \frac{?}{?} [/tex]
[tex] \frac{48}{32}^{2} = \frac{24}{16}^{2} = \frac{12}{8}^{2} = \frac{6}{4}^{2} = \frac{3}{2} [/tex]
[tex] \frac{16}{40}^{2} = \frac{8}{20} ^{2} = \frac{4}{10}^{2} = \frac{2}{5} [/tex]
[tex] \frac{20}{15}^{5} = \frac{4}{3} [/tex]
[tex] \frac{24}{28} ^{2} = \frac{12}{14}^{2} = \frac{6}{7} [/tex]
[tex] \frac{14}{42} ^{2} = \frac{7}{21} [/tex]=/frac{2}{7}
[tex] \frac{30}{12} ^{6} = \frac{5}{2} [/tex]
[tex] \frac{25}{45}^{5} = \frac{5}{9} [/tex]
[tex] \frac{32}{40}^{2} = \frac{16}{20}^{2} = \frac{8}{10} ^{2} = \frac{4}{5} [/tex]
[tex] \frac{36}{27} ^{9} = \frac{4}{3} [/tex]
[tex] \frac{28}{42} ^{2} = \frac{?}{?} [/tex]
[tex] \frac{48}{32}^{2} = \frac{24}{16}^{2} = \frac{12}{8}^{2} = \frac{6}{4}^{2} = \frac{3}{2} [/tex]
[tex] \frac{16}{40}^{2} = \frac{8}{20} ^{2} = \frac{4}{10}^{2} = \frac{2}{5} [/tex]