认一认，数一数。(d.a+N9[,W,I)t6G.K._1y/{
(d.a+N9[,W,I)t6G.K._1y/{
上图中，长方体有-D/]9?)[8p6o6W,D个，正方体有,\2J3p(U0^2O个，圆柱有)}8H0~-t8V个，球有.Y)Z0J;w9B;M/A7D;z/K个。0R*Z.G1C*I:|:|)`6p'J最多，+C*q)N8~2g和:e5K7l4_2u8H,n同样多。(d.a+N9[,W,I)t6G.K._1y/{