So sánh các số hữu tỉ sau

`i)` $\frac{-109}{110} < \frac{272}{-271}$ `(`vì $\frac{-109}{110} \approx -0.99$, $\frac{272}{-271} \approx -1.00$`)`

`n)`$\frac{3}{7} < \frac{111}{115}$ `(`vì $\frac{3}{7} \approx 0.43$, $\frac{111}{115} \approx 0.97$`)`

`k)` $\frac{37}{93} > \frac{36}{101}$ `(`vì $\frac{37}{93} \approx 0.40$, $\frac{36}{101} \approx 0.36$`)`

`o)` $\frac{-47}{95} > \frac{55}{-103}$ `(`vì $\frac{-47}{95} \approx -0.49$, $\frac{55}{-103} \approx -0.53$`)`

`l)`$\frac{7}{3} > \frac{23}{11}$ `(`vì $\frac{7}{3} \approx 2.33$, $\frac{23}{11} \approx 2.09$")`

`p)` $\frac{-157}{623} < \frac{-47}{213}$ `(`vì $\frac{-157}{623} \approx -0.25$, $\frac{-47}{213} \approx -0.22$`)`

`m)` $\frac{-45}{34} < \frac{-65}{54}$ `(`vì $\frac{-45}{34} \approx -1.32$, $\frac{-65}{54} \approx -1.20$`)`

`q)` $\frac{278}{37} > \frac{287}{46}$ `(`vì $\frac{278}{37} \approx 7.51$, $\frac{287}{46} \approx 6.24$"`)`