a 17inh = cm
b 81.28cm= inh
c 5.4 hải lý = km
= m
d 29.7 inh = cm
= m
2 a 15.24 l = \(cm^3\)
= \(dm^3\)
= cc
= ml
3 a 20.2\(mm^2\)= \(m^2\)
= \(dm^2\)
b 15.4 \(dm^2\)= \(m^2\)
= \(mm^2\)
c 0.1\(cm^2\) = \(mm^2\)
= \(m^2\)
d 14\(m^2\) = \(dm^2\)
= \(mm^2\)
e 0.01 \(dm^2\)= \(mm^2\)
= \(m^2\)