8:10-10:30 | 凤凰小区 |
8:30-11:00 | 阳光小区 |
9:00-12:00 | 花园小区 |
12:00-15:30 | 幸福小区 |
14:40-16:00 | 江南小区 |
(1)江南小区从下午
(2)上午10点,这个区域有
(3)停电时间最长的是
(4)小明11:30回到家,发现家里没有电,他住在
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