纯牛奶 | 酸奶 | 学生奶 | |
散装单价(元/盒) | 5.5 | 4.6 | 2.8 |
箱装单价(元/箱) | 60 | 48.5 | 30.5 |
(1)买6盒散装学生奶共付多少元?
(2)买8盒散装酸奶比买1箱纯牛奶便宜多少元?
(3)买4箱纯牛奶比买4箱学生奶贵多少元?
(4)你还能提出什么数学问题?
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