序号 | 成绩(分) | 序号 | 成绩(分) | 序号 | 成绩(分) | 序号 | 成绩(分) |
1 | 72 | 5 | 88 | 9 | 65 | 13 | 76 |
2 | 85 | 6 | 95 | 10 | 76 | 14 | 97 |
3 | 45 | 7 | 100 | 11 | 76 | 15 | 99 |
4 | 87 | 8 | 98 | 12 | 87 | 16 | 99 |
(1)本班女生测试成绩最好的是
(2)成绩在85分(含85分)以上为优秀,优秀有
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