V=2*3*4=24см3=24000мм3
s-serif";
mso-ascii-theme-font:minor-latin;mso-fareast-font-family:Calibri;mso-fareast-theme-font:
minor-latin;mso-hansi-theme-font:minor-latin;mso-bidi-font-family:"Times New Roman";
mso-bidi-theme-font:minor-bidi;mso-ansi-language:RU;mso-fareast-language:EN-US;
mso-bidi-language:AR-SA'>Р=(0,12+0,25)*2=0,74м