Tính 5/100 cm^2 + 1/100 m^2 + mm^2
Tính \[\frac{5}{{100}}\,\,c{m^2} + \frac{1}{{100}}\,\,d{m^2} = .....\,\,m{m^2}\].
Ta có \[\frac{5}{{100}}\,\,c{m^2} = 5\,\,m{m^2}\]
\[\frac{1}{{100}}\,\,d{m^2} = 100\,\,m{m^2}\]
Do đó \[\frac{5}{{100}}\,\,c{m^2} + \frac{1}{{100}}\,\,d{m^2} = 105\,\,m{m^2}\].