1.
[tex]40cm = 4dm \\ \\ 2l = 2 {dm}^{3} [/tex]
Zatem
[tex]2 {dm}^{3} = 4dm \times x | \div 4dm \\ x = 0.5 {dm}^{2} [/tex]
2.
[tex]10l = 10 {dm}^{3} = 10000 {cm}^{3} [/tex]
[tex]v = \frac{4}{5} \times 10000 = 8000 {cm}^{3} [/tex]
3.
[tex]2700 {m}^{3} = 30m \times 60m \times h \\ 2700 {m}^{3} = 1800 {m}^{2} \times h | \div 1800 {m}^{2} \\ h = 1.5m[/tex]
