新城乡——潼关镇 | 底张镇——紫杨乡 | 海峪镇——西水镇 |
64 | 86 | 72 |
(1)一辆汽车从新城乡出发,到潼关镇用了2小时.平均每小时行驶多少千米?
(2)一辆小轿车中午12点从底张镇出发,下午2点到紫杨乡.这辆小轿车平均每小时行驶多少千米?
(3)从海峪镇到西水镇,比从新城乡到潼关镇远多少千米?
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