里程/千米 | |
长沙—株洲 | 52 |
长沙—衡阳 | 186 |
长沙—韶关 | 486 |
长沙—广州 | 707 |
长沙一深圳 | 854 |

(1)韶关到深圳有多少千米?
(2)株洲到广州有多少千米?
(3)火车每小时行驶120千米,2小时火车一共行驶了多少千米?计算后,用“▲”标出火车大概位置。

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

