城市 | 北京 | 沈阳 | 大连 | 上海 |
最高气温 | 3℃ | ﹣7℃ | ﹣3℃ | 12℃ |
最低气温 | ﹣8℃ | ﹣17℃ | 5℃ | 7℃ |
(1)哪个城市最高气温最高?哪个城市最低气温最低?
(2)北京和沈阳的最低气温相差多少度?

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

