下面是甲、乙两人的对话:
甲:我前面跑得有点快了,在距离起点___________①___________千米的补给站休息了___________②___________分钟,我的成绩是___________③___________分钟.
乙:我在补给站见到你了,我的成绩是___________④___________分钟.
根据以上信息,解决下列问题:
(1)填空:①___________,②___________,③___________,④___________;
(2)已知甲、乙两人于上午7:50起跑,则两人何时在补给站相遇?
(3)当乙抵达终点时,甲距离终点还有多少千米?
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