(1)搭成满足如图所示主视图和俯视图的几何体最多需要 个小正方体,请在网格中画出用最多小正方体搭成的几何体的左视图;
(2)搭成满足如图所示主视图和俯视图的几何体最少需要 个小正方体,用最少小正方体搭成的几何体共有 种不同形状.
(3)用8块小正方体搭成满足如图所示主视图和俯视图的几何体一共有多少种不同形状?
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2