Sper sa te ajute asta...
Explicație pas cu pas:
[tex]2800 {m}^{3} + 0.8 {m}^{3} = 2800.8 {m}^{3} [/tex]
[tex]87 {cm}^{3} + 0.103 {cm}^{3} - 20 {cm}^{3} = 67.103 {cm}^{3} [/tex]
[tex]654000 {dam}^{3} - 35 {dam}^{3} = 653965 {dam}^{3} [/tex]
[tex]820 {hm}^{3} + 0.17 {hm}^{3} - 0.004 {hm}^{3} = 820.166 {hm}^{3} [/tex]