| 六(1)班 | 六(2)班 | 六(3)班 | 积分 | 净胜球 |
六(1)班 |
| 4∶2 | 1∶2 | 3 | +1 |
六(2)班 | 2∶4 |
| 3∶2 | 3 | -1 |
六(3)班 | 2∶1 | 2∶3 |
| 3 | 0 |
三个班的名次依次是:六(1)班第
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