一个正方体的棱长总和是6分米,这个正方体的体积是请选择CBA*g'|0`;j+b2h:Y*E-z/D4H立方分米。;\2J4U7^5Q9M'_'W6q*r
A.1;\2J4U7^5Q9M'_'W6q*r
B.216;\2J4U7^5Q9M'_'W6q*r
C.去;\2J4U7^5Q9M'_'W6q*r