1.在长方体的下面画“√”,正方体的下面画 “△”,圆柱的下面画“○”,球的下面画 “□”.
2.一共有( )个图形,长方体有( )个,圆柱有( )个,正方体有( )个,球有( )个.3.从后起,第2个是( ),它的左面是( ),它的右面是( ).
4.从前起,第( )个,第( )个,第( )个是长方体.
5.从前起,给第4个图形涂上颜色.
6.比( ),比( ),和( ).
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