编码 | 单价(元) | 数量(千克) | 金额(元) |
1.鸡腿 | 0.35 | 6.30 | |
2.豆奶粉 | 2 | 39.60 | |
3.手撕面包 | 5.6 | 14.00 | |
4.精品排骨 | 39.60 | 39.60 | |
5.土豆 | 8.60 | 20.64 | |
合计 |
(1)每千克豆奶粉多少元?
(2)你还能提出问题并解答吗?
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