套餐 | 每份价格 | 份数 | 钱数 |
A | 8元 | 3份 | ( )元 |
B | 4元 | ( )份 | 28元 |
C | ( )元 | 6份 | 36元 |
(1)完成上表。
(2)套餐A的价格是套餐B的几倍?
(3)如果套餐D卖出的份数是套餐A的4倍,套餐D卖出多少份?
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