(1)甲、乙两个圆柱底面半径的比是 ∶ ;
(2)甲、乙两个圆柱底面直径的最简单整数比是 ∶ ;
(3)甲、乙两个圆柱底面周长的最简单的整数比是 ∶ ;
(4)甲、乙两个圆柱侧面积的最简单整数比是 ∶ ;
(5)你还可以提出有关比的什么问题并解答。
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