V=a*b*c
1.
[tex]v = 10 \times 20 \times 0.5 = 100 {cm}^{3} [/tex]
2.
1cm=0,1dm
[tex]v = 2.5 \times 4 \times 0.1 = 1 {dm}^{3} [/tex]
3.
[tex]v = 1 \times 30 \times 20 = 600 {cm}^{3} [/tex]
4.
1cm=0,01m
1dm=0,1m
[tex]v = 0.01 \times 0.1 \times 1 = 0.001 {m}^{3} [/tex]
Pozdrowionka! ~Wika