Question

va rooog ex 8 dau coroana

Answer 1

60/84=30/42=15/21=5/7
64/80=32/40=16/20=8/10=4/5
120/192=60/96=30/48=15/24=5/8
108/180=54/90=27/45=9/15=3/5

Answer 2

a)$\frac{60}{84} ^{12} = \frac{5}{7}$
b)$\frac{64}{80} ^{8} = \frac{8}{10} ^{2} = \frac{4}{5}$
c)$\frac{120}{192} ^{12} = \frac{10}{16} ^{2}= \frac{5}{8}$
d)$\frac{108}{180} ^{9} = \frac{12}{20} ^{4}= \frac{3}{5}$