姓名 | 第一题 | 第二题 | 第三题 | 第四题 | 第五题 |
小乐 | +1 | -1 | +1 | +1 | -1 |
小培 | -1 | +1 | +1 | +1 | +1 |
小蕊 | +1 | -1 | +1 | -1 | +1 |
小依 | +1 | -1 | +1 | -1 | -1 |
1.( )得分最多.( )得分最少.
2.( )和( )得分一样多.
3.第( )题答对的人数最多.第( )题答对的人数最少.
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