“红苑”小区25号楼平面示意图
①王红家住在(3,4),王亮家和王红家住同一层上,从左往右数第二单元.
②李奶奶家住在起始单元,起始层;陈奶奶家和李奶奶家住同一单元,比李奶奶家高2层.
③张叔叔家住在(5,2),和刘阿姨家住同一楼层.刘阿姨家和王红家住同一单元.
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