三种水果的进货和售货情况统计表 | ||
水果名称 | 进货(kg) | 售货(kg) |
苹果 | 1200 | 519 |
梨 | 980 | 875 |
桔子 | 870 | 530 |
A.苹果-甲;梨-丙;桔子-乙 |
B.苹果-乙;梨-丙;桔子-甲 |
C.苹果-甲;梨-乙;桔子-丙 |
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