17/10,19/12,23/15,33/20,91/60从小到大排

17/10,19/12,23/15,33/20,91/60从小到大排
17/10,19/12,23/15,33/20,91/60从小到大排

17/10,19/12,23/15,33/20,91/60从小到大排
17/10=1.7=102/60
19/12=1.583...=95/60
23/15=1.533...=92/60
33/20=1.65=99/60
91/60=1.51666.
所以
91/60<23/15<19/12<33/20<17/10