正方体的棱长扩大到原来的2倍,则表面积就扩大到原来的请选择CBA+L-^2V6u倍,体积就扩大到原来的请选择ABC,`6G9S8X2{:A+o0v)^倍。(~4O3A-g.G,B;^9b
A、2(~4O3A-g.G,B;^9b
B、4(~4O3A-g.G,B;^9b
C、8(~4O3A-g.G,B;^9b