3m 11cm = 3\(\dfrac{11}{100}\) m 2kg 21g = 2 \(\dfrac{21}{1000}\)kg
5dam 47dm = 54 \(\dfrac{7}{10}\)m 5m2 43dm2 = 5 \(\dfrac{43}{100}\)m2
\(\text{3m 11cm = }3\text{ }\dfrac{11}{100}\text{m; }\text{2kg 21g = }2\text{ }\dfrac{21}{1000}\text{kg}\)
\(\text{5 dam 47dm = 54}\dfrac{7}{10}\text{m}\) \(5\text{m}^243\text{dm}^2=5\text{ }\dfrac{43}{100}\text{m}^2\)